1,2-Dibromo-1,1,2-trifluoroethane

  • Halon 2302
  • Ethane, 1,2-dibromo-1,1,2-trifluoro-
Formula
C2HBr2F3
Structure
Description
Colorless liquid with a faint odor.

Registry Numbers and Inventories.
CAS
354-04-1
EC (EINECS/ELINCS)
206-543-1
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C2HBr2F3
Formula mass
241.83
Melting point, °C
-52
Boiling point, °C
76
Vapor pressure, mmHg
104 (25 C)
Critical temperature
295
Critical pressure
51.8
Density
2.165 g/cm3 (20 C)
Solubility in water
Insoluble
Partition coefficient, pKow
2.87
Heat of vaporization
30.6 kJ/mol

Hazards and Protection.
Protection
Safety glasses/goggles or face shield. Impervious gloves.
Respirators
None normally required. For large spills wear self-contained breathing apparatus.
Small spills/leaks
Spills may be picked up with absorbent such as vermiculite and held in covered container for disposal.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Active metals such as potassium, sodium and finely divided zinc, aluminum and magnesium. It will react with bases such as caustic soda and generate gases.
Decomposition
Toxic fumes of carbon dioxide, carbon monoxide, hydrogen fluoride, hydrogen bromide and carbonyl halides.

Fire.
Flash Point,°C
1
Fire fighting
Material is non-flammable. Use method appropriate for surrounding fire. Fire-fighters should wear self-contained breathing apparatus and with skin and eyes.
Combustion products
Decomposition products are toxic and corrosive.

Health.
Exposure effects
Health hazards unknown. Similar compounds are anesthetics. Avoid breathing vapors and contact with skin. Acute effects of overexposure include intoxication, narcosis, anesthesia.

First aid
 
   Ingestion
Try to induce vomiting. Seek medical help.
   Inhalation
Remove to fresh air. Give artificial respiration if necessary.
   Skin
Wash with soap and water.
   Eyes
Flush eyes for at least 15 minutes with copious quantities of water. Seek medical help.

Transport.