3,3-Dimethyl-1-butene

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Names

[ CAS No. ]:
558-37-2

[ Name ]:
3,3-Dimethyl-1-butene

[Synonym ]:
MFCD00008853
3,3-dimethylbut-1-ene
EINECS 209-195-9

Chemical & Physical Properties

[ Density]:
0.653 g/mL at 25 °C(lit.)

[ Boiling Point ]:
41 °C(lit.)

[ Melting Point ]:
−115 °C(lit.)

[ Molecular Formula ]:
C₆H₁₂

[ Molecular Weight ]:
84.15950

[ Flash Point ]:
−20 °F

[ Exact Mass ]:
84.09390

[ LogP ]:
2.21850

[ Vapour density ]:
>1 (vs air)

[ Vapour Pressure ]:
6.96 psi ( 20 °C)

[ Index of Refraction ]:
n20/D 1.376(lit.)

[ Storage condition ]:
Flammables area

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
F:Flammable;Xi:Irritant;

[ Risk Phrases ]:
R11;R36/37/38;R65

[ Safety Phrases ]:
S16-S26-S33-S36-S62-S37/39

[ RIDADR ]:
UN 3295 3/PG 2

[ WGK Germany ]:
3

[ RTECS ]:
BS8000000

[ Packaging Group ]:
II

[ Hazard Class ]:
3

[ HS Code ]:
29012980

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

3,3-Dimethyl-1-Butyne
3,3-dimethyl-2-butanol
ethene
Vinyltrimethylsilane
Isobutylene
tetramethylethylene
1-chloro-2,2-dimethylbutane
methylidene triphenyl phosphorane
1-Butene, 4-bromo-3,3-dimethyl
2,2-dimethylbut-3-en-1-ol

DownStream

1-Brom-3,3-dimethylbutan-2-on
5,5-dimethylhexan-2-one
Phenyl ethyl ketone
2,2-Dimethylbutane
2-Methylbenzofuran
methane
2,2-dimethylpropane
2,2,3-trimethylbutane
2,2-Dimethylpentane
Isobutylene

Customs

[ HS Code ]: 2901299090

[ Summary ]:
2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%