Dichloromethylsilane, 97+%

Description

CAS: 75-54-7

A monomer (‘building block’) in the production of silicone polymers. An intermediate (starting material) in the production of other organic and inorganic chemicals. In the electronics industry for the production of ultra-pure polysilicon and in the manufacture of semiconductors and photovoltaics.

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.

Specifications

Chemical Identifiers

• CAS: 75-54-7
• MDL Number: MFCD00000494
• Synonym: Methyldichlorosilane

• Boiling Point: 41°C to 42°C
• Melting Point: -93°C
• Color: Colorless
• Physical Form: Liquid
• Quantity: 100 g
• Linear Formula: CH₃SiHCl₂
• UN Number: UN1242
• Beilstein: 1071194
• Flash Point: -32°C (-26°F)
• Solubility Information: Soluble in heptane,benzene,ether.
• Formula Weight: 115.03
• Percent Purity: ≥97%
• Refractive Index: 1.398
• Sensitivity: Air and moisture sensitive
• Density: 1.105 g/mL
• Chemical Name or Material: Dichloromethylsilane

Safety and Handling

Hazard Category	H225-H260-H301-H314-H330
Hazard Statement	GHS H Statement H225-H260-H314-H318-H332 Highly flammable liquid and vapor. In contact with water releases flammable gases which may ignite spontaneously. Causes severe skin burns and eye damage. Causes serious eye damage. Harmful if inhaled.
Precautionary Statement	P210-P223-P231+P232-P233-P240-P241-P242-P243-P260-P264b-P270-P271-P280-P284-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P363-P370+P378q-P501c
DOTInformation	Transport Hazard Class: 4.3; Packing Group: I; Proper Shipping Name: METHYLDICHLOROSILANE
EINECSNumber	200-877-1
RTECSNumber	VV3500000
TSCA	Yes
Recommended Storage	Keep cold; Store under Argon

SDS

RUO – Research Use Only