Dimethylchlorosilane is a colorless, transparent liquid, flammable, explosive, is the basic raw material of silicone products, with the production of silicone intermediates (DMC, D4), silicone oil, silicone rubber and silicone resin, can also be used for the manufacture of heat resistant high strength of carbon fiber.

Details

Dimethylchlorosilane  M2

Alias: -M2

Molecular formula: (CH3) 2SiCl2

Molecular weight: 129.1

CAS No.: 75-78-5

Product standard:  GB/T 23953-2009

Physical and chemical properties:

Flash point: < -9 C (closed cup)

Relative density (water=1): 1.07

The explosion limit｛%（V/V）｝：1.4

Melting point: -76℃ 

Relative vapor density (air =1): 4.4

The explosion limit {(V/V)}% 9.5

Boiling point: 71℃

Vapor pressure: 14.5kPa (20)

Water solubility: water reaction

Spontaneous combustion temperature: 380℃

PH: the case of water reaction to generate HCL

Technical index:

1. Appearance: colorless transparent liquid

2. Dimethyl dichlorosilance (%): ≥99.50

3. Methyl trichlorosilane (%):  ≤0.10

Performance and application:

Dimethylchlorosilane is a colorless, transparent liquid, flammable, explosive, is the basic raw material of silicone products, with the production of silicone intermediates (DMC, D4), silicone oil, silicone rubber and silicone resin, can also be used for the manufacture of heat resistant high strength of carbon fiber.

Packaging and storage:

Packed in plastic drum, net weight 200kg / barrel, or standard container packaging; Dimethylchlorosilane should be stored in cool, dry and ventilated place, pay attention to waterproof, fireproof, heatproof. Sealed storage, do not mixed with oxidant, acid, alkali. According to the transport of dangerous goods, avoid the sun and rain. Light carry and light discharge, to prevent damage to packaging and containers.

Stability: 

Stable in specified container and conditions (closed containers).