Thiocyanic acid, 2-(benzothiazolylthio)methyl ester
(2-Benzothiazolylthio)methyl thiocyanate
C9H6N2S3
Molecular mass: 238.4
ICSC # 1161
CAS # 21564-17-0
RTECS # XK8150900
EC # 613-119-00-3
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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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Combustible.
Liquid formulations containing organic solvents may be flammable.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Powder, water spray, foam, carbon dioxide.
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Explosion
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Risk of fire and explosion if formulations contain flammable/explosive solvents.
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Exposure
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STRICT HYGIENE!
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Inhalation
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Cough.
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Ventilation, local exhaust, or breathing protection.
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Fresh air, rest.
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Skin
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Dry skin.
Redness.
Roughness.
Burning sensation.
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Protective gloves.
Protective clothing.
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Rinse and then wash skin with water and soap.
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Eyes
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Redness.
Pain.
Severe deep burns.
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Safety goggles,
or eye protection in combination with breathing protection.
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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.
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Rinse mouth.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Collect leaking and spilled liquid in sealable containers as far as possible.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
Do NOT let this chemical enter the environment.
(Extra personal protection: filter respirator for organic gases and vapours).
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Separated from
food and feedstuffs.
Store in an area without drain or sewer access.
Provision to contain effluent from fire extinguishing.
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Do not transport with food and feedstuffs.
T symbol
N symbol
R: 22-26-36/38-43-50/53
S: 1/2-28-36/37-38-45-60-61
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Important Data
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Physical State; Appearance:
REDDISH VISCOUS LIQUID
, WITH PUNGENT ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating
producing toxic fumes including hydrogen cyanide, nitrogen oxides and sulfur oxides.
Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol and
by ingestion.
Inhalation Risk:
No indication can be given about the rate in which a harmful concentration in the air is reached on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
The substance
irritates the skin and
is corrosive to the eyes.
Effects of Long-Term or Repeated Exposure:
Repeated or prolonged contact may cause skin sensitization.
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Physical Properties
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Boiling point: >120°C
Melting point: <-10°C
Relative density (water = 1): 1.4
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Solubility in water, g/100 ml: 0.0033
Octanol/water partition coefficient as log Pow: 3.3
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Environmental Data
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The substance is very toxic to aquatic organisms.
Avoid release to the environment in circumstances different to normal use.
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N O T E S
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If the substance is formulated with solvent(s) also consult the card(s) (ICSC) of the solvent(s).
Carrier solvent may enhance the skin absorption.
Carrier solvents used in commercial formulations may change physical and toxicological properties.
TCMTB, Busan, KEMTOX S 10 are trade names.
Card has been partially updated in February 2009: see Storage.
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ADDITIONAL INFORMATION
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ICSC: 1161
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2-(THIOCYANOMETHYLTHIO)BENZOTHIAZOLE
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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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