Bis(trimethylsilyl)acetylene

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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

Click to get detail 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

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • tetrakis(trimethylsilyl)cyclobutadiene
  • Chlorotrimethylsilane
  • TMS-acetylene
  • tetrakis(trimethylsilyl)tetrahedrane
  • bromoethene
  • acetylene-bis-magnesium bromide
  • 2,2-bis(trimethylsilyl)ethenethione
  • 1-(trimethylsilylethynyl)-1,1-diphenyl-2,2,2-trimethyldisilane
  • trimethylsilylethynylbenzene

DownStream

  • trimethyl(6-methylhept-6-en-1-ynyl)silane
  • 4-(Trimethylsilyl)-3-butyn-2-one
  • 4-(3-trimethylsilylprop-2-ynoyl)benzoyl chloride
  • 3-(3-trimethylsilylprop-2-ynoyl)benzoyl chloride
  • Silane, 1-hexynyltrimethyl-
  • Acetylene
  • TMS-acetylene
  • 1-methoxy-4-[2-(4-methoxyphenyl)ethynyl]benzene
  • ((4-METHOXYPHENYL)ETHYNYL)TRIMETHYLSILANE
  • 3-Methoxy-2-cyclopenten-1-one

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%

Related Compounds

  • (η2-bis(trimethylsilyl)acetylene)tetracarbonyliron
  • bis[[bis(trimethylsilyl)acetylene]copper(I)] oxalate
  • BIS(TRIMETHYLSILYL)ACETYLENE-BIS(CYCLO- PENTADIENYL)TITANIUM
  • BIS(TRIMETHYLSILYL)ACETYLENEBIS(CYCLOPEN TADIENYL)PYRIDINE-ZR
  • (1-cyclobutyl-1,3-butandionate)Cu(I)(bis(trimethylsilyl)acetylene)
  • [Bis(trimethylsilyl)methyl]-p-trimethylsilylbenzene
  • 9H,10H-Benzo[2,3][1]benzothiepino[6,5-ab]quinolizin-13-ol, 9a,12,13,14,15,15a-hexahydro-14-(1-methylethyl)-
  • 1-(3-Chloro-1-propenyl)-4-fluorobenzene
  • 2-{3-benzyl-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidin-1-yl}-N-(2-ethoxyphenyl)acetamide
  • (5Z)-3,4-Dimethyl-5-[(3,4-dimethyl-1H-pyrrole-2-yl)methylene]-1H-pyrrole-2(5H)-one
  • Ethyl 4-(3-bromophenyl)-3,4,5,6-tetrahydro-2H-pyran-4-carboxylate
  • 2-[(3-Trifluoromethylphenyl)amino]benzoic acid hydrazide
  • 2-Furancarboxaldehyde, 5-[2-phenylethenyl]-
  • Ethyl 4-(4-chlorophenyl)-2-oxobut-3-ynoate
  • 2-Bromo-4,5-dichlorobenzoic acid
  • N-Ethyl-N-(methoxyphenylmethyl)benzamide
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