2-Bromo-1-butene

  • 2-Bromobut-1-ene
  • 2-Bromobutene
Formula
C4H7Br
Structure
Description
Liquid.

Registry Numbers and Inventories.
CAS
23074-36-4
EC (EINECS/ELINCS)
245-412-3
S: 7 33 43 60
UN (DOT)
1993
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C4H7Br
Formula mass
135.00
Melting point, °C
-133.4
Boiling point, °C
88
Vapor pressure, mmHg
70 (25 C)
Critical temperature
295
Critical pressure
44.7
Density
1.315 g/cm3 (20 C)
Solubility in water
Insoluble
Refractive index
1.4537
Partition coefficient, pKow
2.69
Heat of vaporization
31.5 kJ/mol

Hazards and Protection.
Storage
Keep container tightly sealed. Store in cool, dry conditions in well sealed containers.
Protection
Protective work clothing. Chemical protective gloves. Safety glasses or goggles.
Small spills/leaks
Absorb with liquid-binding material (sand, diatomite, acid binders, universal binders, sawdust). Ensure adequate ventilation. Do not flush with water or aqueous cleansing agents. Keep away from ignition sources.
Stability
Decomposition will not occur if used and stored according to specifications.
Incompatibilities
Oxidizing agents, acids.

Fire.
Flash Point,°C
12
Fire fighting
In case of fire, use sand, carbon dioxide or powdered extinguishing agent. Never use water. Wear self-contained respirator. Wear fully protective impervious suit.
Combustion products
Carbon monoxide, carbon dioxide and hydrogen bromide.
Health
1
 
Flammability
2
 
 
Reactivity
1
 

Health.
Exposure effects
Causes irritation to the eyes, skin and mucous membranes.

First aid
 
   Ingestion
Seek immediate medical treatment.
   Inhalation
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
   Skin
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
   Eyes
Rinse opened eye for several minutes under running water. Then consult a doctor.

Transport.
UN number
1993
Response guide
Hazard class
3
Packing Group
II