1,4-BIS(TRIMETHYLSILYL)-1,3-BUTADIYNE

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Names

[ CAS No. ]:
4526-07-2

[ Name ]:
1,4-BIS(TRIMETHYLSILYL)-1,3-BUTADIYNE

[Synonym ]:
1,3-Butadiyne-1,4-diylbis(trimethylsilane)
1,4-Bis(trimethylsilyl)butadiyne
1,4-Bis(trimethylsilyl)-1,3-butadiyne,BTMSBD
1,4-BIS(TRIMETHYLSILYL)-1,3-BUTADIYNE
Buta-1,3-diyne-1,4-diylbis(trimethylsilane)
MFCD00009839
Silane, 1,1'-(1,3-butadiyne-1,4-diyl)bis[1,1,1-trimethyl-
1,4-Bis(trimethylsilyl)buta-1,3-diyne
trimethyl(4-trimethylsilylbuta-1,3-diynyl)silane

Chemical & Physical Properties

[ Density]:
0.8±0.1 g/cm3

[ Boiling Point ]:
197.7±23.0 °C at 760 mmHg

[ Melting Point ]:
111-113 °C(lit.)

[ Molecular Formula ]:
C10H18Si2

[ Molecular Weight ]:
194.421

[ Flash Point ]:
57.3±15.6 °C

[ Exact Mass ]:
194.094696

[ LogP ]:
5.57

[ Vapour Pressure ]:
0.5±0.4 mmHg at 25°C

[ Index of Refraction ]:
1.446

[ Storage condition ]:
0-6°C

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
F: Flammable;

[ Risk Phrases ]:
R11

[ Safety Phrases ]:
S16-S22-S24/25

[ RIDADR ]:
UN 1325 4.1/PG 2

[ WGK Germany ]:
3

[ Packaging Group ]:
II

[ Hazard Class ]:
4.1

[ HS Code ]:
2931900090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • TMS-acetylene
  • trimethylsilylethynylmagnesium bromide
  • Chlorotrimethylsilane
  • Hexachloro-1,3-butadiene
  • magnesium,ethynyl(trimethyl)silane,chloride
  • Bromo(1-naphthyl)magnesium
  • 1,2,3,3,4,4,5,5,6,6-decadeuteriocyclohexene
  • 1-Buten-3-yne,1-methoxy-
  • 1,2-dichloro-4,5-diiodobenzene

DownStream

  • 4-bromobuta-1,3-diynyl(trimethyl)silane
  • trimethyl-[1,1,4,4,4-pentakis(trimethylsilyl)but-2-ynyl]silane
  • 3,5-Octadiyne,2,2,7,7-tetramethyl-
  • 1,4-dibromobuta-1,3-diyne
  • 1,4-dideuteriobuta-1,3-diyne
  • methyl 4-oxo-8-trimethylsilylocta-5,7-diynoate
  • butadiyne, diphenyl-
  • 1,4-DI-(2-THIENYL)-1,3-BUTADIYNE
  • Isoxazole, 5-[(trimethylsilyl)methyl]- (9CI)
  • lithium,buta-1,3-diynyl(trimethyl)silane

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

  • 1,4-bis-(trimethylsilyl)-1,3-butadiene
  • (1E,3E)-1,4-bis(trimethylsilyl)-1,3-butadiene
  • (E,E)-2-dimethylphenylsilyl-1,4-bis(trimethylsilyl)-1,3-butadiene
  • 1,4-bis(trimethylsilyl)-2,3-dihexyl-1,3-butadiene
  • 1,4-bis(1-hydroxycyclopentyl)-1,3-butadiyne
  • 1,4-BIS(1-HYDROXYCYCLOPENTYL)-1,3-BUTADIYNE