TCA-sodium
TCA
STCA
Trichloroacetic acid, sodium salt
C2Cl3NaO2 / CCl3CO2Na
Molecular mass: 185.4
ICSC # 1139
CAS # 650-51-1
RTECS # AJ9100000
EC # 607-005-00-2
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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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Not combustible.
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In case of fire in the surroundings: use appropriate extinguishing media.
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Explosion
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Exposure
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PREVENT DISPERSION OF DUST!
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Inhalation
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Cough.
Sore throat.
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Ventilation.
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Fresh air, rest.
Refer for medical attention.
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Skin
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Redness.
Pain.
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Protective gloves.
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Remove contaminated clothes.
Rinse skin with plenty of water or shower.
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Eyes
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Redness.
Pain.
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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.
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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 covered containers.
Do NOT let this chemical enter the environment.
(Extra personal protection: P1 filter respirator for inert particles.)
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Separated from
strong bases.
Dry.
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Xi symbol
N symbol
R: 37-50/53
S: 2-46-60-61
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Important Data
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Physical State; Appearance:
HYGROSCOPIC
WHITE
TO YELLOW
POWDER
Physical Dangers:
Chemical Dangers:
Reacts
with
strong bases
Occupational Exposure Limits:
producing chloroform - see ICSC 0027.
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol.
Inhalation Risk:
A nuisance-causing concentration of airborne particles can be reached quickly on spraying.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
,
the skin
and
the respiratory tract
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Effects of Long-Term or Repeated Exposure:
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Physical Properties
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Decomposes below melting point at 165°C
Relative density (water = 1): 0.9
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Solubility in water, g/100 ml at 25°C: 120 (very good)
Octanol/water partition coefficient as log Pow: 0.002
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Environmental Data
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The substance is 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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Carrier solvents used in commercial formulations may change physical and toxicological properties.
TCA is also the abbreviation for trichloroacetic acid (ICSC 0586) in some countries.
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ADDITIONAL INFORMATION
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ICSC: 1139
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SODIUM TRICHLOROACETATE
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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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