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513-81-5

Name 2,3-DIMETHYL-1,3-BUTADIENE
CAS 513-81-5
EINECS(EC#) 208-172-0
Molecular Formula C6H10
MDL Number MFCD00008595
Molecular Weight 82.14
MOL File 513-81-5.mol
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Chemical Properties

Appearance Clear colorless liquid
Melting point  -76 °C (lit.)
Boiling point  68-69 °C (lit.)
density  0.727 g/mL at 20 °C
vapor pressure  269 mm Hg ( 37.7 °C)
refractive index  n20/D 1.438(lit.)
Fp  −8 °F
storage temp.  2-8°C
form  Liquid
color  Clear colorless
Water Solubility  Miscible with chloroform. Immiscible with water.
Merck  14,3238
BRN  605285
Dielectric constant 2.1000000000000001
CAS DataBase Reference 513-81-5(CAS DataBase Reference)
EPA Substance Registry System 1,3-Butadiene, 2,3-dimethyl- (513-81-5)

Safety Data

Hazard Codes  F
Risk Statements 
R11:Highly Flammable.
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) .
RIDADR  UN 3295 3/PG 2
WGK Germany  3
F  9
TSCA  Yes
HazardClass  3
PackingGroup  II
HS Code  29012900

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