Bromotrimethylsilane, 97%, stab. with copper powder or silver wire, Thermo Scientific Chemicals

Description

CAS: 2857-97-8 | C3H9BrSi | 153.094 g/mol

Bromotrimethylsilane is used as a mild and selective reagent for cleavage of lactones, epoxides, acetals, phosphonate esters and certain ethers. Further, it is used as a brominating agent and an effective reagent for the formation of silyl enol ethers.

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
Bromotrimethylsilane is used as a mild and selective reagent for cleavage of lactones, epoxides, acetals, phosphonate esters and certain ethers. Further, it is used as a brominating agent and an effective reagent for the formation of silyl enol ethers.

Solubility
Miscible with carbon tetrachloride, chloroform, dichloroethane, acetonitrile, toluene, dichloromethane and hexane.

Notes
Moisture sensitive. Store in a cool place. Incompatible with strong acids, water and strong oxidizing agents.

Specifications

Chemical Identifiers

• CAS: 2857-97-8
• Molecular Formula: C3H9BrSi
• Molecular Weight (g/mol): 153.094
• MDL Number: MFCD00000048
• InChI Key: IYYIVELXUANFED-UHFFFAOYSA-N
• Synonym: trimethylsilyl bromide, trimethylbromosilane, silane, bromotrimethyl, trimethylsilicon bromide, tmsbr, trimethylsilylbromide, bromotrimethyl silane, tmbs, bromo trimethyl silane, tms bromide
• PubChem CID: 76113
• IUPAC Name: bromo(trimethyl)silane
• SMILES: C[Si](C)(C)Br

• Boiling Point: 78°C to 80°C
• Melting Point: -44°C
• Quantity: 250 g
• Linear Formula: (CH₃)₃SiBr
• UN Number: UN2924
• Beilstein: 1731135
• Flash Point: −3°C (26°F)
• Solubility Information: Miscible with carbon tetrachloride,chloroform,dichloroethane,acetonitrile,toluene,dichloromethane and hexane.
• Formula Weight: 153.09
• Percent Purity: 97%
• Odor: Acrid
• Refractive Index: 1.425
• Sensitivity: Moisture sensitive
• Density: 1.183
• Chemical Name or Material: Bromotrimethylsilane, stabilized with copper powder or silver wire

Safety and Handling

Hazard Category	H226-H314-H335
Hazard Statement	GHS H Statement H225-H314-H318 Highly flammable liquid and vapour. Causes severe skin burns and eye damage. Causes serious eye damage.
Precautionary Statement	P210-P233-P235-P240-P241-P242-P243-P260-P264b-P271-P280-P301+P330+P331-P303+P361+P353-P304+P340-P305+P351+P338-P310-P363-P370+P378q-P501c
DOTInformation	Hazard Class: 8; Packaging Group: II
EINECSNumber	220-672-0
TSCA	Yes
Recommended Storage	Keep cold

SDS

RUO – Research Use Only