Methyltrimethoxysilane, 97%

Description

CAS: 1185-55-3 | C4H12O3Si | 136.222 g/mol

Methyltrimethoxysilane is used as an acid scavenger, for example in the formation of substituted azulenes from allenylsilanes and tropyl­ium tetrafluoroborate.

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
Methyltrimethoxysilane is used as an acid scavenger, for example in the formation of substituted azulenes from allenylsilanes and tropyl­ium tetrafluoroborate.

Solubility
Decomposes in water.

Notes
Moisture Sensitive. Store under dry inert gas. Store away from moisture, strong bases and oxidizing agents. Protect from humidity and water.

Specifications

Chemical Identifiers

• CAS: 1185-55-3
• Molecular Formula: C4H12O3Si
• Molecular Weight (g/mol): 136.222
• MDL Number: MFCD00008342
• InChI Key: BFXIKLCIZHOAAZ-UHFFFAOYSA-N
• Synonym: methyltrimethoxysilane, trimethoxy methyl silane, silane, trimethoxymethyl, union carbide a-163, silane, methyltrimethoxy, methyl trimethoxysilane, silane a-163, dynasylan mtms, unii-0hi0d71mci, methyl-trimethoxysilane
• PubChem CID: 14456
• IUPAC Name: trimethoxy(methyl)silane
• SMILES: CO[Si](C)(OC)OC

• Boiling Point: 102°C to 103°C
• Quantity: 250 mL
• UN Number: UN1993
• Beilstein: 1736151
• Flash Point: 9°C (48°F)
• Solubility Information: Decomposes in water.
• Formula Weight: 136.23
• Percent Purity: 97%
• Refractive Index: 1.37
• Sensitivity: Moisture sensitive
• Density: 0.955
• Chemical Name or Material: Methyltrimethoxysilane

Safety and Handling

Hazard Category	H225-H315-H319-H335
Hazard Statement	GHS H Statement H225-H315-H319-H335 Highly flammable liquid and vapour. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statement	P210-P233-P235-P240-P241-P242-P243-P261-P264b-P271-P280-P303+P361+P353-P304+P340-P305+P351+P338-P312-P332+P313-P363-P370+P378q-P501c
DOTInformation	Transport Hazard Class: 3; Packing Group: II; Proper Shipping Name: FLAMMABLE LIQUIDS, N.O.S.
EINECSNumber	214-685-0
RTECSNumber	VV4650000
TSCA	Yes
Recommended Storage	Ambient temperatures

SDS

RUO – Research Use Only