Bromodichloromethane

  • Dichlorobromomethane
  • Dichloromonobromomethane
Formula
CHBrCl2
Structure
Description
Clear colorless liquid.
Uses
Chemical reagentintermediate in organic synthesis.

Registry Numbers and Inventories.
CAS
75-27-4
EC (EINECS/ELINCS)
200-856-7
EC Class
harmful
R 45 20/22 36/37/38
RTECS
PA5310000
RTECS class
Tumorigen; Mutagen; Reproductive Effector
UN (DOT)
2810
Merck
13,1401
Beilstein/Gmelin
1697005
Beilstein Reference
4-01-00-00076
EPA OPP
12
Canada DSL/NDSL
NDSL
US TSCA
Listed
New Zealand
Listed

Properties.
Formula
CHBrCl2
Formula mass
163.83
Melting point, °C
-56
Boiling point, °C
90.1
Vapor pressure, mmHg
65
Odor Threshold Odor threshold 1680 mg/m3
Critical temperature
308
Critical pressure
54.77
Density
1.98 g/cm3 (20 C)
Solubility in water
Insoluble
Viscosity
1.84 cp (15 C)
Surface tension
31.22 g/s2 (23 C)
Refractive index
1.4977 (15 C)
Partition coefficient, pKow
2.00
Heat of vaporization
31.6 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Wash thoroughly after handling. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Use only in a chemical fume hood.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Wash area with soap and water. Provide ventilation.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong bases, strong oxidizing agents, magnesium.
Decomposition
Hydrogen chloride, carbon monoxide, carbon dioxide, hydrogen bromide.

Fire.
Flash Point,°C
1
Fire fighting
Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher.
Fire potential
This material is nonflammable
Hazards
When heated, vapors may form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Carcinogin
I-2B, N-2, CP65
Exposure effects
May cause cancer according to animal studies.
   Ingestion
Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
   Inhalation
Harmful if inhaled. Prolonged exposure may result in dizziness and general weakness. Causes severe irritation of upper respiratory tract with coughing, burns, breathing difficulty, and possible coma. May cause narcotic effects in high concentration.
   Skin
Causes skin irritation. Harmful if absorbed through the skin.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
   Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
   Skin
Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
   Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Transport.
UN number
2810
Response guide
Hazard class
6.1
Packing Group
I; II; III
 
USCG CHRIS Code
DHB
 
HS Code
2903 49 80