sym-Trichlorobenzene
C6H3Cl3
Molecular mass: 181.5
ICSC # 0344
CAS # 108-70-3
RTECS # DC2100100
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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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Powder, water spray, foam, carbon dioxide.
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Explosion
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Exposure
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•Inhalation
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Cough.
Sore throat.
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Local exhaust or breathing protection.
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Fresh air, rest.
Refer for medical attention.
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•Skin
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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 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.
Give one or two glasses of water to drink.
Refer for medical attention.
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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.
Carefully collect remainder,
then remove to safe place.
Do NOT let this chemical enter the environment.
(Extra personal protection: P1 filter respirator for inert particles.)
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Separated from
strong oxidants.
Keep in a well-ventilated room.
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Important Data
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Physical State; Appearance:
WHITE
TO YELLOW
CRYSTALS
OR POWDER
, WITH CHARACTERISTIC ODOUR.
Physical Dangers:
Chemical Dangers:
The substance decomposes
on burning
producing
toxic and corrosive fumes
.
Reacts with oxidants.
Occupational Exposure Limits:
TLV not established.
MAK: 5 ppm, 38 mg/m3 H;
Peak limitation category: II(2); Pregnancy risk group: C;
(DFG 2006).
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its aerosol,
through the skin
and
by ingestion.
Inhalation Risk:
A harmful contamination of the air will be reached rather slowly on evaporation of this substance at 20°C; on spraying or dispersing, however, much faster.
Effects of Short-Term Exposure:
The substance
is irritating to
the eyes
and
the respiratory tract
.
Effects of Long-Term or Repeated Exposure:
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Physical
Properties
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Boiling point: 208°C
Melting point: 63°C
Solubility in water, g/100 ml at 25°C: 0.0006
Vapour pressure, Pa at 25°C: 24
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Relative density of the vapour/air-mixture at 20°C (air = 1): 1.0
Flash point: 107°C
Octanol/water partition coefficient as log Pow: 4.15
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Environmental
Data
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This substance may be hazardous in the environment; special attention should be given to fish.
Bioaccumulation of this chemical may occur in fish.
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N O T E S
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Card has been partly updated in October 2006. See sections Occupational Exposure Limits, Ingestion First Aid.
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ADDITIONAL INFORMATION
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ICSC: 0344
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1,3,5-TRICHLOROBENZENE
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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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