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Name 2-Bromobutane
CAS 78-76-2
EINECS(EC#) 201-140-7
Molecular Formula C4H9Br
MDL Number MFCD00000156
Molecular Weight 137.02
MOL File 78-76-2.mol

Chemical Properties

Appearance colourless liquid with a pleasant odour
Melting point  -112 °C
Boiling point  91 °C(lit.)
density  1.255 g/mL at 25 °C(lit.)
vapor pressure  70 hPa (20 °C)
refractive index  n20/D 1.4369(lit.)
Fp  70 °F
storage temp.  Flammables area
solubility  <1g/l
form  Liquid
color  Clear colorless to yellow-brown
Stability: Stable. Flammable. Incompatible with strong oxidizing agents.
explosive limit 2.6-6.6%(V)
Water Solubility  insoluble
Detection Methods GC,NMR
Merck  14,1554
BRN  505949
Dielectric constant 8.6400000000000006
LogP 3 at 35℃ and pH7
CAS DataBase Reference 78-76-2(CAS DataBase Reference)
NIST Chemistry Reference Butane, 2-bromo-(78-76-2)
EPA Substance Registry System Butane, 2-bromo- (78-76-2)

Safety Data

Hazard Codes  F,Xi
Risk Statements 
R11:Highly Flammable.
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S16:Keep away from sources of ignition-No smoking .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S24/25:Avoid contact with skin and eyes .
S37/39:Wear suitable gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
RIDADR  UN 2339 3/PG 2
WGK Germany  2
RTECS  EJ6228000
Autoignition Temperature 265 °C
Hazard Note  Irritant/Highly Flammable
HazardClass  3
PackingGroup  II
HS Code  29033036
Safety Profile
Narcotic in high concentrations. Questionable carcinogen with experimental neoplastigenic data. See also BROMIDES and CHLORINATED HYDROCARBONS, ALIPHATIC. Flammable liquid. Dangerous fire hazard when exposed to heat or flame. When heated to decomposition it emits toxic fumes of Br-; can react with oxidzing materials. To fight fire, use water, spray or mist, foam, Co2, dry chemical.
Hazardous Substances Data 78-76-2(Hazardous Substances Data)

Hazard Information

Material Safety Data Sheet(MSDS)

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