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

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

Product Name:
1,4-BIS(TRIMETHYLSILYL)-1,3-BUTADIYNE
Synonyms:
  • 1,4-BIS-(TRIMETHYLSILYL)-1,3-BUTADIYNE, 98%1,4-BIS-(TRIMETHYLSILYL)-1,3-BUTADIYNE, 98%1,4-BIS-(TRIMETHYLSILYL)-1,3-BUTADIYNE, 98%
  • 1,4-Bis(trimethylsilyl)-1,3-butanediyne
  • 1,4-Bis(trimethylsilyl)-1-butyne-3-yne
  • 1,4-Bis(trimethylsilyl)butane-1,3-diyne
  • 1,4-Di(trimethylsilyl)-1,3-butadiyne
  • Bis(trimethylsilyl)-1,3-butadiyne
  • 4-Bis(trimethylsilyl)-1,3-butadiyne
  • 1,4-Bis(trimethylsilyl)buta-1,3-diyne
CAS:
4526-07-2
MF:
C10H18Si2
MW:
194.42
EINECS:
629-258-8
Product Categories:
  • Si-(C)4 Compounds
  • Silicon Compounds (for Synthesis)
  • Diyne Compounds (LB Films)
  • LB Films
  • Acetylenes
  • Synthetic Organic Chemistry
  • Ethynylsilanes
  • Functional Materials
  • Functionalized Acetylenes
  • Si (Classes of Silicon Compounds)
  • Alkynes
  • Building Blocks
  • Chemical Synthesis
  • Internal
  • Organic Building Blocks
Mol File:
4526-07-2.mol
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1,4-BIS(TRIMETHYLSILYL)-1,3-BUTADIYNE Chemical Properties

Melting point:
111-113 °C(lit.)
Boiling point:
197.7±23.0 °C(Predicted)
Density 
0.974 g/mL at 20 °C(lit.)
refractive index 
n20/D 1.384(lit.)
Flash point:
>45°C
storage temp. 
2-8°C
form 
solid
color 
White to Light yellow to Light orange
Water Solubility 
Insoluble in water.
Hydrolytic Sensitivity
4: no reaction with water under neutral conditions
BRN 
1758268
InChIKey
LBNVCJHJRYJVPK-UHFFFAOYSA-N
CAS DataBase Reference
4526-07-2(CAS DataBase Reference)
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Safety Information

Hazard Codes 
F
Risk Statements 
11
Safety Statements 
16-22-24/25
RIDADR 
UN 1325 4.1/PG 2
WGK Germany 
3
TSCA 
No
HazardClass 
4.1
PackingGroup 
II
HS Code 
29319090

MSDS

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1,4-BIS(TRIMETHYLSILYL)-1,3-BUTADIYNE Usage And Synthesis

Chemical Properties

light yellow to light beige cryst.powder or flakes

Uses

1,4-Bis(trimethylsilyl)-1,3-butadiyne is used in Negishi protocol for the synthesis of glycosylated oligo(ethynylene)s. It is also used as pharmaceutical intermediates.

Uses

1,4-Bis(trimethylsilyl)butadiyne can be used as a reagent to prepare:

  • 1,1,3,4-Tetrasilyl-substituted 1,3-butadienes or 1,1,3,4-tetrasilyl-substituted 1,2-butadienes by hydrosilylation reaction using various hydridosilanes and catalysts.
  • Glycosylated oligo(ethynylene)s using the Negishi reaction.
  • (±) Falcarinol, a polyacetylene class of fatty alcohol.

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

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