Bis(trimethylsilyl)acetylene
Names
[ CAS No. ]:
14630-40-1
[ Name ]:
Bis(trimethylsilyl)acetylene
[Synonym ]:
BTMSA
2,5-Disilahex-3-yne, 2,2,5,5-tetramethyl-
Silane, 1,1'-(1,2-ethynediyl)bis[1,1,1-trimethyl-
SILANE, 1,2-ETHYNEDIYLBIS[TRIMETHYL-
trimethyl(2-trimethylsilylethynyl)silane
MFCD00008276
EINECS 238-671-9
ethyne-1,2-diylbis(trimethylsilane)
1,2-Bis-trimethylsilanyl-ethyne
1,2-Ethynediylbis(trimethylsilane)
Bis(trimethylsilyl)acetylene
Bis(trimethylsilyl) Acetylene
Chemical & Physical Properties
[ Density]:
0.8±0.1 g/cm3
[ Boiling Point ]:
134.6±8.0 °C at 760 mmHg
[ Melting Point ]:
21-24 °C(lit.)
[ Molecular Formula ]:
C8H18Si2
[ Molecular Weight ]:
170.400
[ Flash Point ]:
17.1±11.5 °C
[ Exact Mass ]:
170.094696
[ LogP ]:
4.03
[ Vapour Pressure ]:
9.9±0.2 mmHg at 25°C
[ Index of Refraction ]:
1.420
[ Storage condition ]:
0-6°C
[ Water Solubility ]:
MAY DECOMPOSE
MSDS
Safety Information
[ Hazard Codes ]:
F:Flammable;Xi:Irritant;
[ Risk Phrases ]:
R11;R36/37/38
[ Safety Phrases ]:
S16-S26-S36
[ RIDADR ]:
UN 1993 3/PG 2
[ WGK Germany ]:
3
[ Packaging Group ]:
III
[ Hazard Class ]:
3
[ HS Code ]:
29310095
Synthetic Route
Precursor & DownStream
Precursor
DownStream
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%