Methyl benzimidazole-2-ylcarbamate
Methyl (1H-benzimidazol-2-yl)carbamate
Carbendazol
1H-Benzimidazol-2-ylcarbamic acid methyl ester
C9H9N3O2
Molecular mass: 191.2
ICSC # 1277
CAS # 10605-21-7
RTECS # DD6500000
EC # 613-048-00-8
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Types of Hazard/ Exposure
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Acute Hazards/ Symptoms
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Prevention
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First Aid/
Fire Fighting
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FIRE
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Gives off irritating or toxic fumes (or gases) in a fire.
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Water spray, powder.
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
AVOID Exposure OF (PREGNANT) WOMEN!
AVOID Exposure OF ADOLESCENTS AND CHILDREN!
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•Inhalation
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Avoid inhalation of fine dust and mist.
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Fresh air, rest.
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•Skin
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Protective gloves.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
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•Eyes
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Redness.
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Safety spectacles.
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First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
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•Ingestion
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Do not eat, drink, or smoke during work.
Wash hands before eating.
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Rinse mouth.
Rest.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Do NOT wash away into sewer.
Do NOT let this chemical enter the environment.
Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
Carefully collect remainder,
then remove to safe place.
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Separated from
bases
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food and feedstuffs
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T symbol
N symbol
R: 46-60-61-50/53
S: 53-45-60-61
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Important Data
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Physical State; Appearance:
COLOURLESS
CRYSTALS
OR GREY TO WHITE POWDER.
Physical Dangers:
Chemical Dangers:
The substance decomposes slowly
on contact with
bases
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Occupational Exposure Limits:
TLV not established.
MAK:
Germ cell mutagen group: 3A;
(DFG 2005).
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol.
Inhalation Risk:
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly on spraying or when dispersed, especially if powdered.
Effects of Short-Term Exposure:
Effects of Long-Term or Repeated Exposure:
Animal tests show that this substance possibly causes toxicity to human reproduction or development.
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Physical
Properties
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Melting point (decomposes): 302-307°C
Density: 0.27
g/cm3
Solubility in water, g/100 ml at 24°C: 0.0008
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Vapour pressure, Pa at 20°C:
negligible
Octanol/water partition coefficient as log Pow: 1.49
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Environmental
Data
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The substance is very toxic to aquatic organisms.
This substance does enter the environment under normal use. Great care, however, should be given to avoid any additional release, e.g. through inappropriate disposal.
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N O T E S
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If the substance is formulated with solvents also consult the ICSCs of these materials.
Carrier solvents used in commercial formulations may change physical and toxicological properties.
Aimcozim, BAS 3460F, Battal, Bavistin, Bendazim, Carbate, Carbendor, Cekudazim, Corbel, Custos, Defensor, Delsene, Derosal, Derroprene, Equitdazin, Hoe17411, Kemdazin, Lignasan, Pillarstin, Stempor, Supercarb,Triticol are trade names.
Card has been partly updated in October 2004 and 2005. See sections Occupational Exposure Limits, EU classification, Emergency Response.
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ADDITIONAL INFORMATION
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ICSC: 1277
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CARBENDAZIM
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(C) IPCS, CEC, 1994
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IMPORTANT LEGAL NOTICE:
Neither NIOSH, the CEC or the IPCS nor any person acting on behalf of NIOSH,
the CEC or the IPCS is responsible for the use which might be made of this
information. This card contains the collective views of the IPCS Peer Review Committee and may
not reflect in all cases all the detailed requirements included in national legislation
on the subject. The user should verify compliance of the cards with the relevant legislation
in the country of use.
The only modifications made to produce the U.S. version is inclusion of the OSHA PELs, NIOSH RELs and NIOSH IDLH values.
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