Dichlorobromomethane
Methane, bromodichloro-
CHBrCl2
Molecular mass: 163.8
ICSC # 0393
CAS # 75-27-4
RTECS # PA5310000
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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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AVOID ALL CONTACT!
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•Inhalation
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See Notes.
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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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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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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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See EFFECTS OF LONG-TERM OR REPEATED Exposure.
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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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Separated from
strong oxidants,
strong bases
and
magnesium.
Ventilation along the floor.
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Signal: Warning
Excl mark-Health haz
Harmful if swallowed
Suspected of causing cancer
May causes damage to liver and kidneys through prolonged or repeated exposure if swallowed
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Important Data
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Physical State; Appearance:
COLOURLESS LIQUID
Physical Dangers:
The vapour is heavier than air.
Chemical Dangers:
On contact with hot surfaces or flames this substance decomposes forming toxic and corrosive gases, including hydrogen bromide and hydrogen chloride.
Reacts
with
strong bases
,
strong oxidants
and
magnesium
.
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 ingestion.
Inhalation Risk:
A harmful contamination of the air can be reached very quickly on evaporation of this substance at 20°C.
Effects of Short-Term Exposure:
Effects of Long-Term or Repeated Exposure:
The substance may have effects on the
kidneys
and
liver
,
by ingestion
, resulting in
impaired functions
.
This substance is possibly carcinogenic to humans.
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Physical
Properties
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Boiling point: 90°C
Melting point: -57°C
Density: 1.9
g/cm3
Solubility in water, g/100 ml at 20°C: 0.45
(poor)
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Vapour pressure, kPa at 20°C: 6.6
Relative vapour density (air = 1): 5.6
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.3
Octanol/water partition coefficient as log Pow: 2
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Environmental
Data
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N O T E S
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Halon 1021 is a trade name.
Bromodichloromethane can be found in chlorinated water.
Health effects of exposure to the substance have not been investigated adequately other than by ingestion.
Card has been partially updated in August 2007: see GHS classification.
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ADDITIONAL INFORMATION
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ICSC: 0393
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BROMODICHLOROMETHANE
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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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