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Quick Details

  • Classification: Acaricide, Biological Pesticide, Insecticide, Rodenticide
  • CAS No.: 63-25-2
  • Other Names: Sevin Carbaril
  • MF: C12H11NO2
  • EINECS No.: 200-555-0
  • Place of Origin: Zhejiang, China (Mainland)
  • State: Powder, Powder
  • Purity: 99%TC 98%TC 85%WP 50%WP 25%WP
  • Application: Insecticide
  • Brand Name: S-Lig
  • Model Number: TC WP
  • Formulation: 99%TC 98%TC 85%WP 50%WP 25%WP
  • Product name: Carbaryl
  • Storage: Dry Place
  • Molecular Weight: 201.22
  • Boiling Point: 315°C
  • Melting point: 142°C
  • Density: 1. 232g/3 (20℃)
  • Delivery: Fast Delivery
  • Appearance: White Powder

Packaging & Delivery

Packaging Details: Top Quality Agrochemical Pesticide Carbaryl Insecticide 99%TC 98%TC 85%WP 50%WP 25%WP Carbaryl Powder
Powder/Granule: 100g,500g, 1kg, 10kg, 25kg, 200kg per bag/drum
Liquid: 100mL,500mL, 1L, 5L, 10L, 20L, 200L, 1000L per bottle/drum or according to customers' requirement.
Delivery Detail: 15-20 Working Days after payment

Top Quality Agrochemical Pesticide Carbaryl Insecticide 99%TC 98%TC 85%WP 50%WP 25%WP Carbaryl Powder

 Product Description

 

Common NameCarbaryl
StatePowder
Formulaiton99%TC 98%TC 85%WP 50%WP 25%WP
AppearanceWhite Powder
StorageKeep in cool and dry place
Appplication

Biochemistry: Weak cholinesterase inhibitor.
Mode of action: Insecticide with contact and stomach action, and slight systemic properties. Uses: Control of Lepidoptera, Coleoptera, and other chewing and sucking insects, at 0.25-2.0 kg a.i./ha, on more than 120 different crops, including vegetables, tree fruit (including citrus), mangoes, bananas, strawberries, nuts, vines, olives, okra, cucurbits, peanuts, soya beans, cotton, rice, tobacco, cereals, beet, maize, sorghum, alfalfa, potatoes, ornamentals, forestry, etc. Control of earthworms in turf. Used as a growth regulator for fruit thinning of apples. Also used as an animal ectoparasiticide.

Compatibility

Carbaryl is compatible with most common pesticides, however it should not be combined with lime sulphur and Bordeaux mixes. Carbaryl is highly toxic to earthworms and should not be used on soil insects except in cases such as bowling greens where it can be used for the control of worms that would otherwise damage the highly manicured surface.

Precaution

This apicide product is harmful to terrestrial invertebrates and bees. Do not use on plants in flower if they are likely to be visited by bees.

 

 Application & Packing

 

 Steps

 Company Information

    Yiwu S-Ling is a professional exporter of agrochemicals in China.We have 2 factories with standard manufacturing enviroment.We devote ourselves to providing the top quality products with competitive price and professional service.
    By continuously efforts,our company has established stable long-term cooperation relationships with Asia,Europe,America and dozens of other countries and regions.
    Adhering to the tenet of "quality first,service first,credit first,"we'd like to cooperate with all customers for mutual development.

 

 FAQ

1. Can you send a sample for reference?

    Sample is available,money customer paid for the sample will return to you once you place your mass order on us.

 

2. How long will it take for the delivery?

    Usually,it takes about 15-20 working days after your payment.

 

3. How to solve quality problems after sales?

    Pls send a photo to us,after confirmed the quality problem,we'll send another batch product to you or we can offer you a discount on your next order.Anyway,we'll find the best way to solve any problem for you.

 

 Our Service

1. Inquiry Reply within 24 hours

2. Sample is available

3. 100% QC inspection Before delivery.

4. Cutomized package

5. Fast Delivery

6. Professional after sale service

 

MATERIAL SAFETY DATA SHEET               

                          (Carbaryl)                                                                                             
 

COMPANY DETAILS:

Name: YIWU S-LING INDUSTRY CO.,LTD             Tel No: +86 579 81585918          

Address: Room 302 Gate 1 Build 22                       Telephone:   86 579 81585918

                  Yiwu City 322000                                     Fax:   86 579 85279347

                  Zhejiang, China                                            

 

Section 1 - CHEMICAL PRODUCT 


PRODUCT NAME

CARBARYL INSECTICIDE POWDER
NFPA

Flammability 1
Toxicity 2
Body Contact 2
Reactivity 1

Chronic 2

 

SCALE: Min/Nil=0 Low=1 Moderate=2 High=3 Extreme=4 
PRODUCT USE
Insecticide (anticholinesterase compound) for the control of Codling Moth, Light Brown Applemoth, Cabbage White Butterfly, Caterpillars and vegetable bugs


Section 2 - HAZARDS IDENTIFICATION

 

CANADIAN WHMIS SYMBOLS
EMERGENCY OVERVIEW
RISK
Irritating to skin
Limited evidence of a carcinogenic effect.
Possible risk of impaired fertility.
Harmful in contact with skin and if swallowed.
Very toxic to aquatic organisms.

POTENTIAL HEALTH EFFECTS


ACUTE HEALTH EFFECTS


SWALLOWED
Accidental ingestion of the material may be harmful; animal experiments indicate that ingestion of less than 150 gram may be fatal or may produce serious damage to the health of the individual.
Ingestion may produce nausea, vomiting, depressed appetite, abdominal cramps,and diarrhea.

EYE
Limited evidence or practical experience suggests, that the material may cause eye irritation in a substantial number of individuals. Prolonged eye contact may cause inflammation characterized by a temporary redness of the conjunctiva (similar to
windburn).
Direct eye contact can produce tears, eyelid twitches, pupil contraction, loss of focus, and blurred or dimmed vision. Dilation of the pupils occasionally occurs.
The material may be irritating to the eye, with prolonged contact causing inflammation.
Repeated or prolonged exposure to irritants may produce conjunctivitis.

SKIN
Skin contact with the material may be harmful; systemic effects may resultfollowing absorption.
The material may cause moderate inflammation of the skin either following direct contact or after a delay of some time. Repeated exposure can cause contact dermatitis which is characterized by redness, swelling and blistering.
There may be sweating and muscle twitches at site of contact. Reaction may bedelayed by hours.
The material is not thought to be a skin irritant (as classified using animal models).
Abrasive damage however, may result from prolonged exposures. Good hygiene practice requires that exposure be kept to a minimum and that suitable gloves be used in an occupational setting.
Entry into the blood-stream, through, for example, cuts, abrasions or lesions, may produce systemic injury with harmful effects. Examine the skin prior to the use of the material and ensure that any external damage is suitably protected.
The material may cause severe skin irritation after prolonged or repeated exposure and may produce on contact skin redness, swelling, the production of vesicles, scaling and thickening of the skin. Repeated exposures may produce severe ulceration.

INHALED
Inhalation of dusts, generated by the material during the course of normal handling, may be damaging to the health of the individual.
Poisoning due to cholinesterase inhibitors causes symptoms such as increased blood flow to the nose, watery discharge, chest discomfort, shortness of breath and wheezing. Other symptoms include increased production of tears, nausea and vomiting, diarrhea, stomach pain, involuntary passing of urine and stools, chest pain, breathing difficulty, low blood pressure, irregular heartbeat, loss of reflexes, twitching, visual disturbances, altered pupil size, convulsions, lung congestion, coma and heart failure. Nervous system effects include inco-ordination, slurred speech, tremors of the tongue and eyelids, and paralysis of the limbs and muscles of breathing, which can cause death, although death is also seen due to cardiac arrest.
Symptoms of carbamate poisoning are similar to that of organophosphate poisoning, however,recover from carbamate poisoning is quicker and generally less likely to be cause death.
The material is not thought to produce respiratory irritation (as classified using animal models). Nevertheless inhalation of dusts, or fume, especially for prolonged periods, may produce respiratory discomfort and occasionally, distress.

CHRONIC HEALTH EFFECTS
Ample evidence from experiments exists that there is a suspicionthis material directly reduces fertility.
Repeated or prolonged exposures to cholinesterase inhibitors produce symptoms similar to acute effects. In addition workers exposed repeatedly to these substances may exhibit impaired memory and loss of concentration, severe depression and acute psychosis, irritability, confusion, apathy, emotional liability, speech difficulties, headache, spatial disorientation, delayed reaction times, sleepwalking, drowsiness or insomnia. An influenza-like condition with nausea, weakness, anorexia and malaise has been described.
There is a growing body of evidence from epidemiological studies and from experimental laboratory studies that short-term exposure to some cholinesterase-inhibiting insecticides may produce behavioral or neuro- chemical changes lasting for days or months,presumably outlasting the cholinesterase inhibition. Although the number of adverse effects following humans poisonings subside, there are still effects in some workers months after cholinesterase activity returns to normal. These long-lasting effects include blurred vision, headache, weakness, and anorexia. The neurochemistry of animals exposed to chlorpyrifos or fenthion is reported to be altered permanently after a single exposure. These effects may be more severe in developing animals where both acetyl- and butyrylcholinesterase may play an integral part in the development of the nervous system.
Long term exposure to high dust concentrations may cause changes in lung function i.e. pneumoconiosis; caused by particles less than 0.5 micron penetrating and remaining in the lung. Prime symptom is breathlessness; lung shadows show on X-ray.
Limited evidence suggests that repeated or long-term occupational exposure may produce cumulative health effects involving organs or biochemical systems.
There has been concern that this material can cause cancer or mutations, but there is not enough data to make an assessment.

Section 3 - COMPOSITION / INFORMATION ON INGREDIENTS

 

CAS RN carbaryl 63-25-2 

80 talc 14807-96-6 10-30
alkyl phenol alkoxylate 1-10

non hazardous ingredients 1-10


Section 4 - FIRST AID MEASURES

 

SWALLOWED
If poisoning occurs, contact a doctor or Poisons Information Center.
If swallowed:
Contact a Poisons Information Center or a doctor at once.
If swallowed, activated charcoal may be advised.
Give atropine if instructed.


REFER FOR MEDICAL ATTENTION WITHOUT DELAY.
In the mean time, qualified first-aid personnel should treat the patient following observation and employing supportive measures as indicated by the patient's condition.
If the services of a medical officer or medical doctor are readily available, the patient should be placed in his/her care and a copy of the MSDS should be provided.
Further action will be the responsibility of the medical specialist.
If medical attention is not available on the worksite or surroundings send the patient to a hospital together with a copy of the MSDS.

EYE
If this product comes in contact with the eyes:
Wash out immediately with fresh running water.
Ensure complete irrigation of the eye by keeping eyelids apart and away from eye and moving the eyelids by occasionally lifting the upper and lower lids.
If pain persists or recurs seek medical attention.
Removal of contact lenses after an eye injury should only be undertaken by skilledpersonnel.

SKIN
If product comes in contact with skin:
Contact a Poisons Information Center or a doctor.
DO NOT allow clothing wet with product to remain in contact with skin, strip all contaminated clothing including boots.
Quickly wash affected areas vigorously with soap and water.
DO NOT give anything by mouth to a patient showing signs of narcosis, i.e. losing consciousness.
Give atropine if instructed.
DO NOT delay, get to a doctor or hospital quickly.

INHALED
If dust is inhaled, remove from contaminated area.
Encourage patient to blow nose to ensure clear passage of breathing.
If irritation or discomfort persists seek medical attention.
If spray mist, vapor are inhaled, remove from contaminated area.
Contact a Poisons Information Center or a doctor at once.
Lay patient down in a clean area and strip any clothing wet with spray.
Prostheses such as false teeth, which may block airway, should be removed, wherepossible, prior to initiating first aid procedures.
Apply artificial respiration if not breathing, preferably with a demand valve resuscitator, bag-valve mask device, or pocket mask as trained. Perform CPR if necessary.
DO NOT give anything by mouth to a patient showing signs of narcosis, i.e. losing consciousness.
Give atropine if instructed.
Get to doctor or hospital quickly.

NOTES TO PHYSICIAN
Following acute or short term repeated exposures to carbamates:
Carbamylation of acetylcholinesterase produces symptoms of muscarinic and nicotinic poisoning. Clinical effects disappear within 24 hours following spontaneous, in vivo, hydrolysis of the complex. Symptoms develop within 15 minutes to 2 hours.
Access the adequacy of the airway and ventilation and use oxygen, suction, intubation, artificial ventilation, intravenous lines and cardiac monitors as needed.
Usual methods of decontamination (Ipecac / lavage / charcoal / cathartics) may be used when the patient presents within 2-4 hours after exposure. When Ipecac Syrup is used the patient must be observed closely to prevent aspiration.
Atropine is the antidote of choice. Pralidoxime [and other oximes] usually is unnecessary and, in any case, may reduce the effectiveness of atropine. [Mild cases should be given 1 to 2 mg intramuscularly every 10 minutes until full atropinization has
been achieved and repeated thereafter whenever symptoms reappear. Severe cases should given 2 to 4 mg intramuscularly every 10 minutes until fully atropinized, then every 30 to 60 minutes to maintain the effect for at least 12 hours - Incitec] [Ellenhorn and Barceloux: Medical Toxicology].

Section 5 - FIRE FIGHTING MEASURES


Flash Point (ºF): Not Applicable
Lower Explosive Limit (%): Not Applicable
Upper Explosive Limit (%): Not Applicable
Autoignition Temp (ºF): Not Applicable

EXTINGUISHING MEDIA
Water spray or fog;Foam;Dry chemical powder;BCF (where regulations permit);Carbon dioxide.

FIRE FIGHTING
Alert Emergency Responders and tell them location and nature of hazard.
Wear full body protective clothing with breathing apparatus.
Prevent, by any means available, spillage from entering drains or water course.
Consider evacuation (or protect in place).
Fight fire from a safe distance, with adequate cover.
If safe, switch off electrical equipment until vapor fire hazard removed.
Use water delivered as a fine spray to control fire and cool adjacent area.
Avoid spraying water onto liquid pools.
DO NOT approach containers suspected to be hot.
Cool fire exposed containers with water spray from a protected location.
If safe to do so, remove containers from path of fire.
Equipment should be thoroughly decontaminated after use.
If containment of runoff is not possible, consider allowing fire to burn-out. Use of water may present a significant pollution hazard.

GENERAL FIRE HAZARDS/HAZARDOUS COMBUSTIBLE PRODUCTS
Solid which exhibits difficult combustion or is difficult to ignite.
Avoid generating dust, particularly clouds of dust in a confined or unventilated space as dusts may form an explosive mixture with air, and any source of ignition, i.e. flame or spark, will cause fire or explosion. Dust clouds generated by the fine grinding of the solid are a particular hazard; accumulations of fine dust may burn rapidly and fiercely if ignited.
Dry dust can be charged electrostatically by turbulence, pneumatic transport, pouring, in exhaust ducts and during transport.
Build-up of electrostatic charge may be prevented by bonding and grounding.
Powder handling equipment such as dust collectors, dryers and mills may require additional protection measures such as explosion venting.
Decomposition may produce toxic fumes of: carbon dioxide (CO2), nitrogen oxides (NOx), other pyrolysis products typical of burning organic material.
May emit poisonous fumes.

FIRE INCOMPATIBILITY
Avoid contamination with oxidizing agents i.e. nitrates, oxidizing acids,chlorine bleaches, pool chlorine etc. as ignition may result.

PERSONAL PROTECTION
Glasses:Safety Glasses
Chemical goggles.
Gloves:PVC chemical resistant type.
Respirator:Particulate

Section 6 - ACCIDENTAL RELEASE MEASURES

 

MINOR SPILLS
Remove all ignition sources.
Clean up all spills immediately.
Avoid contact with skin and eyes.
Control personal contact by using protective equipment.
Use dry clean up procedures and avoid generating dust.
Place in a suitable labelled container for waste disposal.
Clean up waste regularly and abnormal spills immediately.
Avoid breathing dust and contact with skin and eyes.
Wear protective clothing, gloves, safety glasses and dust respirator.
Use dry clean up procedures and avoid generating dust.
Vacuum up or sweep up. NOTE: Vacuum cleaner must be fitted with an exhaust micro filter (HEPA type) (consider explosion-proof machines designed to be grounded during storage and
use).
Dampen with water to prevent dusting before sweeping.
Place in suitable containers for disposal.

MAJOR SPILLS
Clear area of personnel and move upwind.
Alert Emergency Responders and tell them location and nature of hazard.
Wear full body protective clothing with breathing apparatus.
Prevent, by any means available, spillage from entering drains or water course.
Stop leak if safe to do so.
Contain spill with sand, earth or vermiculite.
Collect recoverable product into labeled containers for recycling.
Neutralize/decontaminate residue.
Collect solid residues and seal in labeled drums for disposal.
Wash area and prevent runoff into drains.
After clean up operations, decontaminate and launder all protective clothing and equipment before storing and re-using.
If contamination of drains or waterways occurs, advise emergency services.
Clear area of personnel and move upwind.
Alert Emergency Responders and tell them location and nature of hazard.
Wear breathing apparatus plus protective gloves.
Prevent, by any means available, spillage from entering drains or water course.
Stop leak if safe to do so.
Contain spill with sand, earth or vermiculite.
Collect recoverable product into labeled containers for recycling.
Neutralize/decontaminate residue.
Collect solid residues and seal in labeled drums for disposal.
Wash area and prevent runoff into drains.
After clean up operations, decontaminate and launder all protective clothing and equipment before storing and re-using.
If contamination of drains or waterways occurs, advise emergency services.

PROTECTIVE ACTIONS FOR SPILL
From IERG (Canada/Australia)
Isolation Distance 25 meters
Downwind Protection Distance 250 meters

FOOTNOTES
1 PROTECTIVE ACTION ZONE is defined as the area in which people are at risk of harmful exposure. This zone assumes that random changes in wind direction confines the vapor plume to an area within 30 degrees on either side of the predominant wind direction, resulting in a crosswind protective action distance equal to the downwind protective action distance.
2 PROTECTIVE ACTIONS should be initiated to the extent possible, beginning with those closest to the spill and working away from the site in the downwind direction. Within the protective action zone a level of vapor concentration may exist resulting in nearly all unprotected persons becoming incapacitated and unable to take protective action and/or incurring serious or irreversible health effects.
3 INITIAL ISOLATION ZONE is determined as an area, including upwind of the incident, within which a high probability of localized wind reversal may expose nearly all persons without appropriate protection to life-threatening concentrations of the material.
4 SMALL SPILLS involve a leaking package of 200 litres (55 US gallons) or less, such as a drum (jerrican or box with inner containers). Larger packages leaking less than 200 litres and compressed gas leaking from a small cylinder are also considered "small spills".
LARGE SPILLS involve many small leaking packages or a leaking package of greater than 200 litres, such as a cargo tank, portable tank or a "one-tonne" compressed gas cylinder.
5 Guide 151 is taken from the US DOT emergency response guide book.
6 IERG information is derived from CANUTEC - Transport Canada.

Section 7 - HANDLING AND STORAGE

 

PROCEDURE FOR HANDLING
Avoid all personal contact, including inhalation.
Wear protective clothing when risk of exposure occurs.
Use in a well-ventilated area.
Prevent concentration in hollows and sumps.
DO NOT enter confined spaces until atmosphere has been checked.

DO NOT allow material to contact humans, exposed food or food utensils.
Avoid contact with incompatible materials.
When handling, DO NOT eat, drink or smoke.
Keep containers securely sealed when not in use.
Avoid physical damage to containers.
Always wash hands with soap and water after handling.
Work clothes should be laundered separately.
Launder contaminated clothing before re-use.
Use good occupational work practice.
Observe manufacturer's storing and handling recommendations.
Atmosphere should be regularly checked against established exposure standards to ensure safe working conditions are maintained.

RECOMMENDED STORAGE METHODS
Lined metal can, Lined metal pail/drum
Plastic pail
Polyliner drum
Packing as recommended by manufacturer.
Check all containers are clearly labeled and free from leaks.
For low viscosity materials
Drums and jerricans must be of the non-removable head type.
Where a can is to be used as an inner package, the can must have a screwed enclosure.
For materials with a viscosity of at least 2680 cSt. (23 deg. C) and solids (between 15 C deg. and 40 deg C.):
Removable head packaging;
Cans with friction closures and low pressure tubes and cartridges may be used.- Where combination packages are used,and the inner packages are of glass, there must be sufficient inert cushioning material in contact with inner and outer packages.In addition, where inner packagings are glass and contain liquids of packing group I and II there must be sufficient inert absorbent to absorb any spillage unless the outer packaging is a close fitting molded plastic box and the substances are not incompatible with the plastic.

STORAGE REQUIREMENTS
Store in original containers.
Keep containers securely sealed.
Store in a cool, dry, well-ventilated area.
Store away from incompatible materials and foodstuff containers.
Protect containers against physical damage and check regularly for leaks.
Observe manufacturer's storing and handling recommendations.

 

SAFE STORAGE WITH OTHER CLASSIFIED CHEMICALS 

May be stored together
May be stored together with specific preventions
Must not be stored together

Section 8 - EXPOSURE CONTROLS / PERSONAL PROTECTION

 

EXPOSURE CONTROLS


US OSHA Permissible Exposure Levels ( PELs)
Material TWA ppm TWA mg/m

STEL ppm STEL mg/m³ Peak ppm Peak mg/m³ Max excursion ppm Max excursion mg/m³ Max excursion duration (mins) TWA F/CC

Silicates (less than 1% crystalline silica): Mica Silicates (less than 1% crystalline silica): Soapstone Silicates (less than 1% crystalline silica): Tremolite, asbestiforms (see 29 CFR 1910.1001)
Source Material TWA ppm STEL ppm TWA F/CC
Canada - Yukon Permissible Concentrations for Airborne Contaminant Substances carbaryl (Carbaryl (Sevin(R)))
Canada - Yukon Permissible Concentrations for Airborne Contaminant Substances carbaryl (SevinR, see Carbaryl)

Canada - Quebec Occupational Exposure Limits (French) talc (Talc (fibreux) (note 4))

Canada - Ontario Occupational Exposure Limits talc (Talc (containing fibres other than those of asbestos and tremolite asbestos))
Canada - British Columbia Occupational Exposure Limits talc (Talc - Containing asbestos fibres)

US - Vermont Permissible Exposure Limits Table Z-1-A Final Rule Limits for Air Contaminants talc (Silicates (less than 1% crystalline silica) Talc (containing asbestos): use asbestos limit)

CFR US - Idaho - Toxic and Hazardous Substances - Mineral Dust talc (Silicates (less than 1% crystalline silica): Talc (non-asbestos-form))
US - Idaho - Toxic and Hazardous Substances - Mineral Dust talc (Silicates (less than 1% crystalline silica): Talc (fibrous))

Use asbestos limit
US - Washington Permissible exposure limits of air contaminants talc (Talc (containing asbestos) (as asbestos) (see WAC 296-62-07705 and chapter 296-65 WAC))
US - Washington Permissible exposure limits of air contaminants talc (Talc (containing asbestos) (as asbestos) (see WAC 296-62-07705 and chapter 296-65 WAC))
US - Oregon Permissible Exposure Limits (Z3) talc (Silica: Silicates (less than 1% crystalline silica): Talc (containing asbestos) Use asbestos limit.)
US OSHA Permissible Exposure Levels (PELs) - Table Z3 talc (Silicates (less than 1% crystalline silica): Tremolite, asbestiforms (see 29 CFR 1910.1001))

US OSHA Permissible Exposure Levels (PELs) - Table Z3 talc (Silicates (less than 1% crystalline silica): Soapstone) 
US OSHA Permissible Exposure Levels (PELs) - Table Z3 talc (Silicates (less than 1% crystalline silica): Mica)

US - California Permissible Exposure Limits for Chemical Contaminants talc (Silicates (<1% crystalline silica) - Talc (containing asbestos); see Section 5208)
US - Michigan Exposure Limits for Air Contaminants talc (Silicates (less than 1% crystalline silica) Talc (containing asbestos); use asbestos limit)
US - Michigan Exposure Limits for Air Contaminants talc (Silicates (less than 1% crystalline silica) Tremolite)


ENDOELTABLE


EMERGENCY EXPOSURE LIMITS
Material Revised IDLH Value (mg/m3) 
Revised IDLH Value (ppm) 
MATERIAL DATA
Not available. Refer to individual constituents.

INGREDIENT DATA


CARBARYL:
Sensory irritants are chemicals that produce temporary and undesirable side-effects on the eyes, nose or throat. Historically occupational exposure standards for these irritants have been based on observation of workers' responses to various airborne
concentrations. Present day expectations require that nearly every individual should be protected against even minor sensory irritation and exposure standards are established using uncertainty factors or safety factors of 5 to 10 or more. On occasion animal no-observable-effect-levels (NOEL) are used to determine these limits where human results are unavailable. An additional approach, typically used by the TLV committee (USA) in determining respiratory standards for this group of chemicals, has been to assign ceiling values (TLV C) to rapidly acting irritants and to assign short-term exposure limits (TLV STELs) when the weight of evidence from irritation, bioaccumulation and other endpoints combine to warrant such a limit. In contrast the MAK Commission (Germany) uses a five-category system based on intensive odour, local irritation, and elimination half-life.
However this system is being replaced to be consistent with the European Union (EU)
Scientific Committee for Occupational Exposure Limits (SCOEL); this is more closely allied to that of the USA.
OSHA (USA) concluded that exposure to sensory irritants can:
cause inflammation
cause increased susceptibility to other irritants and infectious agents
lead to permanent injury or dysfunction
permit greater absorption of hazardous substances and acclimate the worker to the irritant warning properties of these substances thus increasing the risk of overexposure.
IDLH Level: 100 mg/kg
The recommended TLV-TWA is thought to provide a safety factor for protection against teratogenic, behavioural and other systemic effects. NIOSH states that the worker should be warned of the possible effects on the reproductive system and only minimum exposure should be permitted during pregnancy.

TALC:Most health problems associated with occupational exposure to talcs appearto evolve mostly from the nonplatiform content of the talc being mined or milled (being the asbestos-like amphiboles, serpentines (asbestiformes) and other minerals in the form of acicular, prismatic and fibrous crystals including, possibly, asbestos).
Because of severe health effects associated with exposures to asbestos,regulatory agencies tend to regard all elongate mineral crystal particles,whether prismatic, acicular, fibrous, as asbestos - the only provision is the particles have an aspect ratio (length to diameter) of 3:1 or greater.
Consideration is also given to their respirability, their width being less than or equal to 3 mm. Only limited data, however, exists on the health effects of elongate mineral particles having prismatic, acicular or fibrous (non-asbestos) forms. Experimental evidence indicates that the carcinogen potential of mineral fibres is related to the size class with diameter of 8 m with shorter, thicker particles having little biological activity.
Dust of nonfibrous talc,consisting entirely of platiform talc crystals and containing no asbestos poses a relatively small respiratory hazard.
Difficulties exist, however, in the determination of asbestos as cleavage fragments of prismatic or acicular crystals,nonasbestos fibres and asbestos fibres are very similar. Subject to an accurate determination of asbestos and crystalline silica, exposure at or below the recommended
TLV-TWA is thought to protect workers from the significant risk of nonmalignant respiratory effects associated with talc dusts.

PERSONAL PROTECTION


EYE
Safety glasses with side shields.
Chemical goggles.
Contact lenses pose a special hazard; soft lenses may absorb irritants and all lenses concentrate them. DO NOT wear contact lenses.

HANDS/FEET
Wear chemical protective gloves, eg. PVC.
Wear safety footwear or safety gumboots, eg. Rubber.

OTHER
Overalls.
Eyewash unit.
Barrier cream.
Skin cleansing cream.
Ensure that there is a supply of atropine tablets on hand
Ensure all employees have been informed of symptoms of cholinesterase poisoning and that the use of atropine in first aid is understood .

RESPIRATOR
Protection Factor
Half-Face Respirator
Powered Air Respirator

Negative pressure demand - Continuous flow
Explanation of Respirator Codes:
Class 1 low to medium absorption capacity filters.
Class 2 medium absorption capacity filters.
Class 3 high absorption capacity filters.
PAPR Powered Air Purifying Respirator (positive pressure) cartridge.
Type A for use against certain organic gases and vapors.
Type AX for use against low boiling point organic compounds (less than 65&amp;ordm;C).
Type B for use against certain inorganic gases and other acid gases and vapors.
Type E for use against sulfur dioxide and other acid gases and vapors.
Type K for use against ammonia and organic ammonia derivatives
Class P1 intended for use against mechanically generated particulates of sizes most commonly encountered in industry, e.g. asbestos, silica.
Class P2 intended for use against both mechanically and thermally generated particulates, e.g. metal fume.
Class P3 intended for use against all particulates containing highly toxic materials, e.g. beryllium.

The local concentration of material, quantity and conditions of use determine the type of personal protective equipment required.
Use appropriate NIOSH-certified respirator based on informed professional judgement. In conditions where no reasonable estimate of exposure can be made, assume the exposure is in a concentration IDLH and use NIOSH-certified full face pressure demand SCBA with a minimum service life of 30 minutes, or a combination full facepiece pressure demand SAR with auxiliary self-contained air supply. Respirators provided only for escape from IDLH atmospheres shall beNIOSH-certified for escape from the atmosphere in which they will be used.

ENGINEERING CONTROLS
Local exhaust ventilation usually required. If risk of overexposure exists, wear an approved respirator. Correct fit is essential to obtain adequate protection an approved self contained breathing apparatus (SCBA) may be required in some situations. Provide adequate ventilation in warehouse or closed storage area.
Air contaminants generated in the workplace possess varying "escape" velocities which, in turn, determine the "capture velocities" of fresh circulating air required to effectively remove the contaminant.

Type of Contaminant: Air Speed:solvent, vapors, degreasing etc.,evaporating from tank (in still air).aerosols, fumes from pouring operations,intermittent container filling, low speed conveyer transfers, welding, spray drift, plating acid fumes, pickling (released at low velocity into zone of active generation)0.5-1 m/s (100-200 f/min.)direct spray, spray painting in shallow booths, drum filling, conveyer loading, crusher dusts, gas discharge (active generation into zone of rapid air motion)1-2.5 m/s (200-500 f/min.)grinding, abrasive blasting, tumbling, high speed wheel generated dusts (released at high initial velocity into zone of very high rapid air motion).2.5-10 m/s (500-2000 f/min.)

Within each range the appropriate value depends on:

Lower end of the range
Upper end of the range: Room air currents minimal or favorable to capture: Disturbing room air currents

Contaminants of low toxicity or of nuisance value only.

Contaminants of high toxicity: Intermittent, low production.

High production, heavy use

Large hood or large air mass in motion
Small hood-local control only

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

 

PHYSICAL PROPERTIES
Mixes with water.
Molecular Weight: Not Applicable

Boiling Range (&ordm;F): Not Available
Melting Range (&ordm;F): Not Available

Specific Gravity (water=1): >1.2
Solubility in water (g/L): Miscible

pH (as supplied): Not Applicable
pH (1% solution): Not Available

Vapour Pressure (mmHG): Not Applicable 
Volatile Component (%vol): Not Applicable

Evaporation Rate: Not Applicable
Relative Vapor Density (air=1): Not Applicable

Flash Point (&ordm;F): Not Applicable 
Lower Explosive Limit (%): Not Applicable

Upper Explosive Limit (%): Not Applicable 
Autoignition Temp (&ordm;F): Not Applicable

Decomposition Temp (&ordm;F): >248 
State: Divided Solid

Viscosity: Not Applicable

Section 10 - CHEMICAL STABILITY AND REACTIVITY INFORMATION

 

CONDITIONS CONTRIBUTING TO INSTABILITY
Presence of incompatible materials.
Product is considered stable.
Hazardous polymerization will not occur.

STORAGE INCOMPATIBILITY
Avoid reaction with oxidizing agents.
For incompatible materials - refer to Section 7 - Handling and Storage.

Section 11 - TOXICOLOGICAL INFORMATION

TOXICITY IRRITATION
Oral (rat) LD50: 230 mg/kg Skin (rabbit): 12 mg/24h -SEVERE 
Oral (human) TDLo: 500 mg/kg Eye (rabbit): 500 mg/24h - Mild
Dermal (rat) LD50: 4000 mg/kg 
Dermal (rabbit) LD50: 2000 mg/kg 
The material may be irritating to the eye, with prolonged contact causing inflammation. Repeated or prolonged exposure to irritants may produce conjunctivitis.
The material may cause severe skin irritation after prolonged or repeated exposure and may produce on contact skin redness, swelling, the production of vesicles, scaling and thickening of the skin. Repeated exposures may produce severe ulceration.
The substance is classified by IARC as Group 3:
NOT classifiable as to its carcinogenicity to humans.
Evidence of carcinogenicity may be inadequate or limited in animal testing.
Tumorigenic implant rat - carcinogenic by RTECS criteria.
ADI: 0.01 mg/kg/day
NOEL: 2 mg/kg/day

TALC:unless otherwise specified data extracted from RTECS - Register of Toxic Effects of Chemical Substances.

Section 12 - ECOLOGICAL INFORMATION


Very toxic to aquatic organisms.
This material and its container must be disposed of as hazardous waste.
Avoid release to the environment.
Refer to special instructions/ safety data sheets.

Section 13 - DISPOSAL CONSIDERATIONS

 

US EPA Waste Number &amp; Descriptions
B. Component Waste Numbers
When carbaryl is present as a solid waste as a discarded commercial chemical product, off-specification species, as a container residue, or a spill residue,use EPA waste number U279 (waste code T).

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