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NIOSH

1,2-DIBROMO-3-CHLOROPROPANE

ICSC: 0002

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
August 10, 2002 Validated

TYPES OF HAZARD/ EXPOSURE

ACUTE HAZARDS/ SYMPTOMS

PREVENTION

FIRST AID/
FIRE FIGHTING

FIRE Combustible. Liquid formulations containing organic solvents may be flammable. Gives off irritating or toxic fumes (or gases) in a fire.
NO open flames.
Powder, water spray, foam, carbon dioxide.
EXPLOSION Above 77°C explosive vapour/air mixtures may be formed.
Above 77°C closed system, ventilation.
In case of fire: keep drums, etc., cool by spraying with water.
EXPOSURE
AVOID ALL CONTACT! PREVENT GENERATION OF MISTS! AVOID EXPOSURE OF (PREGNANT) WOMEN!
IN ALL CASES CONSULT A DOCTOR!
•INHALATION Burning sensation. Cough. Sore throat. Headache. Shortness of breath. Weakness.
Local exhaust or breathing protection.
Fresh air, rest. Refer for medical attention.
•SKIN Redness.
Protective gloves. Protective clothing.
Remove contaminated clothes. Rinse and then wash skin with water and soap. Refer for medical attention.
•EYES Redness. Pain.
Safety goggles, or eye protection in combination with breathing protection.
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then take to a doctor.
•INGESTION Burning sensation. Sore throat. Nausea. Vomiting.
Do not eat, drink, or smoke during work.
Rinse mouth. Give plenty of water to drink. Refer for medical attention.

SPILLAGE DISPOSAL

STORAGE

PACKAGING & LABELLING

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.)
Separated from food and feedstuffs , metals such as aluminium or magnesium. Well closed.
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
ICSC: 0002 Prepared in the context of cooperation between the International Programme on Chemical Safety & the Commission of the European Communities (C) IPCS CEC 1994. No modifications to the International version have been made except to add the OSHA PELs, NIOSH RELs and NIOSH IDLH values.

1,2-DIBROMO-3-CHLOROPROPANE

ICSC: 0002

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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


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.

PHYSICAL
PROPERTIES

Boiling point (decomposes): 196°C
Melting point: 6.7°C
Relative density (water = 1): 2.1
Solubility in water: poor
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

ENVIRONMENTAL
DATA

The substance is harmful to aquatic organisms.

N O T E S

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;

ADDITIONAL INFORMATION



ICSC: 0002 1,2-DIBROMO-3-CHLOROPROPANE
(C) IPCS, CEC, 1994
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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