Methyl 2,3-dibromopropanoate

  • Methyl 2,3-dibromopropionate
  • Propanoic acid, 2,3-dibromo-, methyl ester
  • Methyl dibromopropionate
  • Methyl a,b-dibromopropionate
  • (+-)-2,3-Dibromopropionic acid methyl ester
Formula
C4H6Br2O2
Structure
Description
Clear, colorless liquid.

Registry Numbers and Inventories.
CAS
1729-67-5
EC (EINECS/ELINCS)
217-044-3
R: 20/21/22 36/37/38
S: 26 36/37/39 45
UN (DOT)
2810
EPA OPP
77706
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C4H6Br2O2
Formula mass
245.90
Melting point, °C
8
Boiling point, °C
206
Vapor pressure, mmHg
0.36 (25 C)
Density
1.933 g/cm3 (20 C)
Solubility in water
Insoluble
Partition coefficient, pKow
1.48
Heat of vaporization
44.2 kJ/mol

Hazards and Protection.
Storage
Store in a dry, well-ventilated area.
Protection
Wear self-contained breathing apparatus, full PVC clothing, PVC gloves and boots. Chemical safety goggles.
Respirators
Respirator with cartridge providing protection against acid gas-organic vapor or self- contained breathing apparatus. For short term exposure to low concentrations, an approved combination acid gas-organic vapor gas mask is suitable.
Small spills/leaks
Absorb on sand or vermiculite and place in closed container for disposal. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong acids and oxidizers.
Decomposition
Hydrogen bromide and oxides of carbon.

Fire.
Flash Point,°C
71
Fire fighting
Extinguish with carbon dioxide, dry chemicals, foam, water spray (fog). Cool containers with water spray. Fire fighters should wear full protective clothing and self-contained breathing apparatus (SCBA) in positive pressure mode.
Combustion products
When heated to decomposition, may release poisonous and corrosive fumes of Carbon Dioxide, Carbon Monoxide and Hydrogen Bromide.
Health
1
 
Flammability
1
 
 
Reactivity
0
 

Health.
Exposure effects

First aid
 
   Ingestion
DO NOT INDUCE VOMITING. If swallowed, wash mouth thoroughly with plenty of water and give water to drink. Get medical attention immediately.
   Inhalation
In case of inhalation, remove person to fresh air. Keep him quiet and warm. Apply artificial respiration if necessary and get medical attention immediately.
   Skin
Remove contaminated clothing. Wash skin thoroughly with mild soap and plenty of water for at least 15 minutes. Wash clothing before re-use. Seek medical advice.
   Eyes
Holding the eyelids apart, flush eyes promptly with copious flowing water for at least 20 minutes. Get medical attention immediately.

Transport.
UN number
2810
Response guide
Hazard class
6.1
Packing Group
III