Tetrabromomethane
CBr4
Molecular mass: 331.6
ICSC # 0474
CAS # 558-13-4
RTECS # FG4725000
UN # 2516
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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.
Gives off irritating or toxic fumes (or gases) in a fire.
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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!
STRICT HYGIENE!
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•Inhalation
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Cough.
Drowsiness.
Dullness.
Laboured breathing.
Shortness of breath.
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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Redness.
Pain.
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Protective gloves.
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Remove contaminated clothes.
Rinse skin with plenty of water or shower.
Refer for medical attention.
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•Eyes
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Redness.
Pain.
Blurred vision.
Severe deep burns.
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Face shield
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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Abdominal pain.
Diarrhoea.
Dullness.
Sore throat.
(See Inhalation).
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Do not eat, drink, or smoke during work.
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Rinse mouth.
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.
Personal protection: P2 filter respirator for harmful particles.
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Well closed.
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Do not transport with food and feedstuffs.
Marine pollutant.
UN Hazard Class: 6.1
UN Packing Group: III
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Important Data
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Physical State; Appearance:
COLOURLESS
CRYSTALS
Physical Dangers:
Chemical Dangers:
The substance decomposes
on heating
producing
toxic and corrosive fumes
.
Reacts
with
alkali metals
causing explosion hazard.
Occupational Exposure Limits:
TLV: 0.1 ppm as TWA, 0.3 ppm as STEL; (ACGIH 2004).
OSHA PEL: none
NIOSH REL: TWA 0.1 ppm (1.4 mg/m3) ST 0.3 ppm (4 mg/m3)
NIOSH IDLH: N.D. See: IDLH INDEX
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation
and
by ingestion.
Inhalation Risk:
A harmful contamination of the air will be reached rather slowly on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
Tear drawing.
The substance
is corrosive to
the eyes
and
irritates
the skin
and
the respiratory tract.
The substance may cause effects on the
lungs
,
liver
and
kidneys
.
Exposure to high concentrations may result in unconsciousness.
Effects of Long-Term or Repeated Exposure:
The substance may have effects on the
liver
.
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Physical
Properties
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Boiling point: 190°C
Melting point: 90°C
Relative density (water = 1): 3.42
Solubility in water:
none
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Vapour pressure, kPa at 96°C: 5.33
Relative vapour density (air = 1): 11.4
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Environmental
Data
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N O T E S
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Do NOT take working clothes home.
Do NOT use in the vicinity of a fire or a hot surface, or during welding.
Card has been partly updated in October 2005. See sections Occupational Exposure Limits, Emergency Response.
Transport Emergency Card: TEC (R)-61GT2-III
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ADDITIONAL INFORMATION
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ICSC: 0474
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CARBON TETRABROMIDE
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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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