4,4-dimethylpent-2-yne

Names

[ CAS No. ]:
999-78-0

[ Name ]:
4,4-dimethylpent-2-yne

[Synonym ]:
2-Pentyne,4,4-dimethyl
TERT-BUTYLMETHYLACETYLENE
4,4-dimethyl-1-pentyne
2,2-dimethyl-3-pentyne
MFCD00041613
methyl-t-Bu-acetylene
1-tert-butyl-2-methylacetylene
4,4-dimethyl-pent-2-yne
4,4-Dimethyl-2-pentyne

Chemical & Physical Properties

[ Density]:
0.718

[ Boiling Point ]:
83ºC

[ Melting Point ]:
-82.4ºC

[ Molecular Formula ]:
C₇H₁₂

[ Molecular Weight ]:
96.17020

[ Exact Mass ]:
96.09390

[ LogP ]:
2.05580

[ Index of Refraction ]:
1.4071

MSDS

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Safety Information

[ Risk Phrases ]:
R11;R65

[ Safety Phrases ]:
S16-S23-S33-S62

[ RIDADR ]:
UN 3295

[ Packaging Group ]:
II

[ Hazard Class ]:
3

[ HS Code ]:
2901299090

Synthetic Route

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Precursor & DownStream

Precursor

DownStream

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%