3-Chloro-1,2-dibromopropane
DBCP
1-Chloro-2,3-dibromopropane
C3H5Br2Cl
Molecular mass: 236.4
ICSC # 0002
CAS # 96-12-8
RTECS # TX8750000
UN # 2872
EC # 602-021-00-6
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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.
Liquid formulations containing organic solvents may be flammable.
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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Above 77°C explosive vapour/air mixtures may be formed.
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Above 77°C closed system, ventilation.
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In case of fire: keep drums, etc., cool by spraying with water.
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Exposure
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AVOID ALL CONTACT!
PREVENT GENERATION OF MISTS!
AVOID Exposure OF (PREGNANT) WOMEN!
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IN ALL CASES CONSULT A DOCTOR!
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•Inhalation
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Burning sensation.
Cough.
Sore throat.
Headache.
Shortness of breath.
Weakness.
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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.
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Protective gloves.
Protective clothing.
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Remove contaminated clothes.
Rinse and then wash skin with water and soap.
Refer for medical attention.
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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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Burning sensation.
Sore throat.
Nausea.
Vomiting.
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Do not eat, drink, or smoke during work.
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Rinse mouth.
Give plenty 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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Evacuate danger area!
Consult an expert!
Ventilation.
Collect leaking and spilled liquid in sealable containers as far as possible.
Absorb remaining liquid in sand or inert absorbent and remove to safe place.
Do NOT let this chemical enter the environment.
(Extra personal protection: complete protective clothing including self-contained breathing apparatus.)
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Separated from
food and feedstuffs
,
metals
such as
aluminium
or magnesium.
Well closed.
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Unbreakable packaging; put breakable packaging into closed unbreakable container.
Do not transport with food and feedstuffs.
Note: E
T symbol
R: 45-46-60-25-48/20/22-52/53
S: 53-45-61
UN Hazard Class: 6.1
UN Packing Group: III
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Important Data
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Physical State; Appearance:
COLOURLESS LIQUID
, WITH PUNGENT ODOUR.
TECHNICAL GRADE: AMBER TO DARK BROWN LIQUID.
Physical Dangers:
The vapour is heavier than air
and may travel along the ground; distant ignition possible.
Chemical Dangers:
The substance decomposes
on heating above the boiling point and
on burning
producing
toxic fumes
including
hydrogen bromide
,
hydrogen chloride
.
Reacts with aluminium, magnesium, tin and their alloys in presence of water.
Attacks some forms of rubber and coatings.
Occupational Exposure Limits:
TLV not established.
MAK: skin absorption (H);
Carcinogen category: 2; Germ cell mutagen group: 2;
(DFG 2002).
OSHA PEL: 1910.1044 TWA 0.001 ppm
NIOSH REL: Ca See Appendix A
NIOSH IDLH: Ca N.D. See: IDLH INDEX
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Routes of Exposure:
The substance can be absorbed into the body
by inhalation of its vapour,
through the skin
and
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:
The substance
is irritating to
the eyes,
the skin
and
the respiratory tract
.
The substance may cause effects on the
central nervous system
and
kidneys
, resulting in
impaired functions
.
Exposure could cause
lowering of consciousness.
Effects of Long-Term or Repeated Exposure:
The substance may have effects on the
liver
,
lungs
,
kidneys
and testes
, resulting in
impaired functions
and
tissue lesions
.
This substance is possibly carcinogenic to humans.
Causes toxicity to human reproduction or development.
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Physical
Properties
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Boiling point (decomposes): 196°C
Melting point: 6.7°C
Relative density (water = 1): 2.1
Solubility in water: poor
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Vapour pressure, kPa at 20°C: 0.1
Relative density of the vapour/air-mixture at 20°C (air = 1): 1.01
Flash point: 77°C
Octanol/water partition coefficient as log Pow: 2.96
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Environmental
Data
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The substance is harmful to aquatic organisms.
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N O T E S
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Depending on the degree of exposure, periodic medical examination is indicated.
An added stabilizer or inhibitor can influence the toxicological properties of this substance, consult an expert.
Carrier solvents used in commercial formulations may change physical and toxicological properties.
Do NOT take working clothes home.
Transport Emergency Card: TEC (R)-61GT1-III
NFPA Code: H2; F1; R1;
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ADDITIONAL INFORMATION
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ICSC: 0002
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1,2-DIBROMO-3-CHLOROPROPANE
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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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