(2-Hydroxyethyl)trimethylammonium chloride
Choline hydrochloride
2-Hydroxy-N,N,N-trimethylethanaminium chloride
Cholinium chloride
C5H14NO•Cl
Molecular mass: 139.6
ICSC # 0853
CAS # 67-48-1
RTECS # KH2975000
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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.
Gives off irritating or toxic fumes (or gases) in a fire.
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NO open flames.
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Water spray, powder.
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Explosion
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Exposure
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•Inhalation
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Ventilation.
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Fresh air, rest.
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•Skin
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Protective gloves.
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Rinse and then wash skin with water and soap.
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•Eyes
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Safety spectacles
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Rinse with plenty of water for several minutes (remove contact lenses if easily possible).
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•Ingestion
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Do not eat, drink, or smoke during work.
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Spillage Disposal
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Storage
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Packaging & Labelling
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Sweep spilled substance into containers; if appropriate, moisten first to prevent dusting.
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Separated from
strong oxidants.
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Important Data
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Physical State; Appearance:
WHITE
HYGROSCOPIC
CRYSTALS
Physical Dangers:
Chemical Dangers:
On combustion, forms toxic and corrosive fumesincludinghydrogen chloride.
Reacts
with
strong oxidants
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Occupational Exposure Limits:
TLV not established.
MAK not established.
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Routes of Exposure:
Inhalation Risk:
A nuisance-causing concentration of airborne particles can be reached quickly when dispersed.
Effects of Short-Term Exposure:
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Melting point: 305°C
Solubility in water:
miscible
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Octanol/water partition coefficient as log Pow: -5.16
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Environmental
Data
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N O T E S
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ADDITIONAL INFORMATION
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ICSC: 0853
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CHOLINE CHLORIDE
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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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