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263567 Sigma-Aldrich

1,4-Bis(trimethylsilyl)butadiyne

98%, stable crystalline form of butadiyne

Synonym: 1,4-Bis(trimethylsilyl)-1,3-butadiyne, BTMSBD

  • CAS Number 4526-07-2

  • Linear Formula (CH3)3SiC≡CC≡CSi(CH3)3

  • Molecular Weight 194.42

  •  Beilstein/REAXYS Number 1758268

  •  MDL number MFCD00009839

  •  PubChem Substance ID 24855983

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Properties

Related Categories Alkynes, Building Blocks, Chemical Synthesis, Internal, Organic Building Blocks More...
assay   98%
refractive index   n20/D 1.384 (lit.)
mp   111-113 °C (lit.)
density   0.974 g/mL at 20 °C (lit.)
storage temp.   2-8°C
SMILES string   C[Si](C)(C)C#CC#C[Si](C)(C)C
InChI   1S/C10H18Si2/c1-11(2,3)9-7-8-10-12(4,5)6/h1-6H3
InChI key   LBNVCJHJRYJVPK-UHFFFAOYSA-N

Description

General description

Hydrosilylation of 1,4-bis(trimethylsilyl)butadiyne using various hydridosilanes and Pt(IV), Pt(0), Rh(I) or Pd catalyst has been reported.

Application

1,4-Bis(trimethylsilyl)butadiyne has been used in Negishi protocol for the synthesis of glycosylated oligo(ethynylene)s.

Packaging

5, 25 g in glass bottle

Safety & Documentation

Safety Information

Symbol 
GHS02  GHS02
Signal word 
Danger
Hazard statements 
Precautionary statements 
RIDADR 
UN1325 - class 4.1 - PG 2 - Flammable solids, organic, n.o.s., HI: all
WGK Germany 
WGK 3
Flash Point(F) 
Not applicable
Flash Point(C) 
Not applicable

Documents

Certificate of Analysis (COA)

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Protocols & Articles

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Peer-Reviewed Papers
15

References

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