1,4-Bis(trimethylsilyl)-1,3-butadiyne, 98%

Catalog No.	Quantity
AAL0924606	5 g

Catalog No. AAL0924606 Supplier Thermo Scientific Chemicals Supplier No. L0924606

Description

CAS: 4526-07-2 | C10H18Si2 | 194.42 g/mol

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.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Applications
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.

Solubility
Insoluble in water.

Notes
Store at 4°C. Incompatible materials are Strong oxidizing agents. Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

Specifications

Chemical Identifiers

• CAS: 4526-07-2
• Molecular Formula: C10H18Si2
• Molecular Weight (g/mol): 194.42
• MDL Number: MFCD00009839
• InChI Key: LBNVCJHJRYJVPK-UHFFFAOYSA-N
• SMILES: C[Si](C)(C)C#CC#C[Si](C)(C)C

• Melting Point: 110°C to 113°C
• Quantity: 5 g
• UN Number: UN1325
• Beilstein: 1758268
• Synonym: 1,4-bis trimethylsilyl-1,3-butadiyne, 1,4-bis trimethylsilyl butadiyne, 1,4-bis trimethylsilyl buta-1,3-diyne, trimethyl 4-trimethylsilylbuta-1,3-diynyl silane, btmsbd, acmc-1ctvu, bis trimethylsiyl butadiyne, ksc491i6r, bis trimethylsilyl-1,3-butadiyne, bis trimethylsilyl butadiyne
• Solubility Information: Insoluble in water.
• IUPAC Name: trimethyl(4-trimethylsilylbuta-1,3-diynyl)silane
• PubChem CID: 138279
• Formula Weight: 194.43
• Percent Purity: 98%
• Density: 0.752
• Chemical Name or Material: 1,4-Bis(trimethylsilyl)-1,3-butadiyne

Safety and Handling

Hazard Category	H228
Hazard Statement	GHS H Statement H228 Flammable solid.
Precautionary Statement	P210-P240-P241-P280-P370+P378q
DOTInformation	Transport Hazard Class: 4.1; Packing Group: II; Proper Shipping Name: FLAMMABLE SOLIDS, ORGANIC, N.O.S.
TSCA	No
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only