2-Bromobutyric acid

Formula
CH3CH2CHBrCOOH
Structure
Description
Clear yellow.

Registry Numbers and Inventories.
CAS
80-58-0
EC (EINECS/ELINCS)
201-294-5
EC Class
corrosive
R 22 34
S 26 36/37/39 45
UN (DOT)
3265
Merck
13,1397
Beilstein/Gmelin
1720950
Beilstein Reference
4-02-00-00833
Canada DSL/NDSL
NDSL
US TSCA
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C4H7BrO2
Formula mass
167.01
Melting point, °C
-4
Boiling point, °C
214
Vapor pressure, mmHg
0.80 (25 C)
Density
1.5855 g/cm3 (4 C)
Solubility in water
66 g/L (20 C)
Refractive index
1.47 (20 C)
pKa/pKb
2.95 (pKa)
Partition coefficient, pKow
1.39
Heat of vaporization
49.4 kJ/mol

Hazards and Protection.
Storage
Corrosives area.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear appropriate protective gloves, clothing and goggles.
Respirators
Not available.
Small spills/leaks
ELIMINATE all ignition sources. Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.
Disposal code
4
Stability
No data.
Incompatibilities
Strong oxidizing agents.

Fire.
Flash Point,°C
85
Fire fighting
Small Fires: Dry chemical, carbon dioxide or water spray. Large Fires: Dry chemical, carbon dioxide, alcohol-resistant foam or water spray.
Fire potential
Combustible material: may burn but does not ignite readily.
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.
Exposure effects
   Ingestion
Not available.
   Inhalation
May cause severe irritation of the respiratory tract with sore throat, coughing, shortness of breath and delayed lung edema. Causes chemical burns to the respiratory tract.
   Skin
May cause severe irritation and possible burns.
   Eyes
Contact with eyes may cause severe irritation, and possible eye burns.

First aid
 
   Ingestion
Do NOT induce vomiting.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.
   Eyes
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
3265
Response guide
Hazard class
8
Packing Group
I; II; III
 
HS Code
2915 90 80