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Chlorotrimethylsilane, 98%
Description
Chlorotrimethylsilane is used to silanize laboratory glassware, which makes the surfaces more lipophilic. It is used in the production of trimethylsilyl halides, pseudohalides and various organic silicon compounds. It is also used to produce hexamethyldisilane by reduction.
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.
Chlorotrimethylsilane is used to silanize laboratory glassware, which makes the surfaces more lipophilic. It is used in the production of trimethylsilyl halides, pseudohalides and various organic silicon compounds. It is also used to produce hexamethyldisilane by reduction.
Solubility
Miscible with ether, benzene, diethylether and perchloroethylene.
Notes
Incompatible with water, strong acids, strong oxidizing agents, strong bases, alcohols, aldehydes, amines, ketones and esters.

Specifications
Specifications
Boiling Point | 56°C to 58°C |
Melting Point | -58°C |
Quantity | 25 mL |
Linear Formula | (CH3)3SiCl |
UN Number | UN1298 |
Beilstein | 1209232 |
Flash Point | −27°C (−16°F) |
Solubility Information | Miscible with ether,benzene,diethylether and perchloroethylene. |
Formula Weight | 108.64 |
Percent Purity | ≥98% |
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Safety and Handling
Hazard Category | H225-H301-H312+H332-H314 |
Hazard Statement | GHS H Statement H225-H314-H318-H312 Highly flammable liquid and vapour. Causes severe skin burns and eye damage. Causes serious eye damage. Harmful in contact with skin. |
Precautionary Statement | P210-P233-P235-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: 3; Packing Group: II; Proper Shipping Name: TRIMETHYLCHLOROSILANE |
EINECSNumber | 200-900-5 |
RTECSNumber | VV2710000 |
TSCA | Yes |
Recommended Storage | Ambient temperatures |
RUO – Research Use Only
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