Propanoyl bromide

  • Propionic acid bromide
  • Propionyl bromide
Formula
C3H5BrO
Structure
Description
Colorless liquid with a pungent odor.

Registry Numbers and Inventories.
CAS
598-22-1
EC (EINECS/ELINCS)
209-924-0
R: 14 22 34
S: 9 26 30 36/37/39 43
UN (DOT)
2920
Canada DSL/NDSL
DSL

Properties.
Formula
C3H5BrO
Formula mass
136.98
Melting point, °C
-40
Boiling point, °C
103
Vapor pressure, mmHg
20 torr (25 C)
Critical temperature
331
Critical pressure
52.3
Density
1.521 g/cm3 (16 C)
Solubility in water
Decomposes
Partition coefficient, pKow
1.15
Heat of vaporization
34.2 kJ/mol

Hazards and Protection.
Storage
Store in a dry, cool, well-ventilated area.
Protection
PVC gloves. Chemical safety goggles or face shield with safety glasses.
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
Cover with dry lime or soda ash, pick up, keep in closed container and hold for waste disposal. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable under normal conditions.
Incompatibilities
Violent reaction with water, bases, alcohols and alkalies. Avoid contact with metals, strong oxidizers.
Decomposition
When heated to decomposition, may release poisonous and corrosive fumes of Carbon Monoxide, Carbon Dioxide and Hydrogen Bromide.

Fire.
Flash Point,°C
52
Fire fighting
Extinguish with dry powder or carbon dioxide. DO NOT USE WATER. Fire fighters should wear full protective clothing and self-contained breathing apparatus (SCBA) in positive pressure mode.
Health
1
 
Flammability
2
 
 
Reactivity
3
 

Health.
Exposure effects
In the long term there will be severe third degree burns, severe breathing difficulties and severe inflammation of the mucous membranes. In extreme cases it could lead to death.
   Ingestion
May cause severe burns to the mucous membranes of the mouth, esophagus and stomach.
   Inhalation
Corrosive to mucous membranes and upper respiratory tract. Symptoms of overexposure may include burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea and vomiting.
   Skin
Direct contact may result in serious skin burns. BURNS MAY POSSIBLY APPEAR ONLY SEVERAL HOURS AFTER EXPOSURE!
   Eyes
Direct contact may result in serious corneal burns.

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.
   Eyes
Holding the eyelids apart, flush eyes promptly with copious flowing water for at least 20 minutes. Get medical attention immediately.

Transport.
UN number
2920
Response guide
Hazard class
8
Packing Group
II