Skip to Content
MilliporeSigma
All Photos(3)

Key Documents

View All Documentation

263567

Sigma-Aldrich

1,4-Bis(trimethylsilyl)butadiyne

98%, stable crystalline form of butadiyne

Synonym(s):

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

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Linear Formula:
(CH3)3SiC≡CC≡CSi(CH3)3
CAS Number:
4526-07-2
Molecular Weight:
194.42
Beilstein/REAXYS Number:
1758268
MDL number:
MFCD00009839
UNSPSC Code:
12352100
PubChem Substance ID:
24855983
NACRES:
NA.22

assay

98%

form

solid

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

Looking for similar products? Visit Product Comparison Guide

Application

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.

pictograms

Flame
GHS02

signalword

Danger

hcodes

H228

pcodes

P210

Hazard Classifications

Flam. Sol. 1

Storage Class

4.1B - Flammable solid hazardous materials

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
0000346581
0000346582
0000315606
0000234176
1439888V

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

A convenient Negishi protocol for the synthesis of glycosylated oligo (ethynylene) s
Hoheisel TN and Frauenrath H
Organic Letters, 10, 4525-4528 (2008)
Hydrosilylation of 1, 4-Bis (trimethylsilyl) butadiyne and Silyl-Substituted Butenynes.
Kusumoto T, et al.
Bulletin of the Chemical Society of Japan, 65(5), 1280-1290 (1992)
A short synthesis of (+) and (-)-falcarinol
McLaughlin NP, et al.
Tetrahedron, 66, 9681-9687 (2010)
Manuel M Bentlohner et al.
Angewandte Chemie (International ed. in English), 54(12), 3748-3753 (2015-02-04)
The accessibility of triads with deltahedral Zintl clusters in analogy to fullerene-linker-fullerene triads is another example for the close relationship between fullerenes and Zintl clusters. The compound {[K(2.2.2-crypt)]4[RGe9-CH=CH-CH=CH-Ge9R]}(toluene)2 (R=(2Z,4E)-7-amino-5-aza-hepta-2,4-dien-2-yl), containing two deltahedral [Ge9] clusters linked by a conjugated (1Z,3Z)-buta-1,3-dien-1,4-diyl bridge
Manuel M Bentlohner et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 23(67), 17089-17094 (2017-09-15)
We report on the synthesis and structure, as well as on the mechanism of formation of the [Ge
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service