Dichloro(methyl)phenylsilane

Basic Information

CAS No.	149-74-6
EC No.	205-746-2
Linear Formula	C6H5Si(CH3)Cl2
Molecular Weight	191.13 g/mol
Appearance	Colorless liquid
Melting Point	-53 °C (lit.)
Boiling point	205 °C (lit.)
Density	1.176 g/mL at 25 °C (lit.)
RIDADR	UN 2437 Class 8 Packing Group II
Chemical Structure

Key Applications

• Silicone polymer intermediate: Incorporated in phenyl-containing silicone oils and rubbers to enhance thermal resistance.

• Silylating reagent: Used for introducing silyl groups in organic reactions.

• Pharmaceutical precursors: Acts as a building block in silicon-based drug synthesis.

• Material modification: Applied in surface treatments for polymers and coatings.

• Laboratory reagent: Employed in research for developing new silane derivatives.

• Consistent quality suitable for demanding industrial processes: Backed by thorough quality checks.

• Flexible supply arrangements for global customers: Adapts to various order sizes and destinations.

• Full documentation support for industrial procurement: Includes all necessary safety and analysis papers.

• Assistance with packaging selection and shipment planning: Provides customized options for safe transport.

Hazards Classification

GHS Classification: Acute toxicity (oral) Category 4 (GHS07); Skin corrosion Category 1A (GHS05); Serious eye damage Category 1 (GHS05).

Hazard Statements: H302 Harmful if swallowed; H314 Causes severe skin burns and eye damage.

UN Number: 2437

Hazard Class: 8 (Corrosive)

Packing Group: II

Reacts vigorously with water producing corrosive fumes. Store in a dry, ventilated area sealed from moisture. Handle with protective clothing and equipment in controlled environments.