trimethyl-[1,1,4,4,4-pentakis(trimethylsilyl)but-2-ynyl]silane

Names

[ CAS No. ]:
20932-80-3

[ Name ]:
trimethyl-[1,1,4,4,4-pentakis(trimethylsilyl)but-2-ynyl]silane

[Synonym ]:
Hexakis-trimethylsilyl-but-2-in

Chemical & Physical Properties

[ Density]:
0.826g/cm3

[ Boiling Point ]:
375.2ºC at 760 mmHg

[ Molecular Formula ]:
C₂₂H₅₄Si₆

[ Molecular Weight ]:
487.17700

[ Flash Point ]:
134.5ºC

[ Exact Mass ]:
486.28400

[ LogP ]:
8.65660

[ Vapour Pressure ]:
1.71E-05mmHg at 25°C

[ Index of Refraction ]:
1.436

Safety Information

[ HS Code ]:
2931900090

Synthetic Route

Click to get detail synthetic route

Customs

[ HS Code ]: 2931900090

[ Summary ]:
2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%