Chinese Name: 二苯二氯硅烷 / 二苯基二氯硅烷
English Name: Diphenyldichlorosilane
Chemical Formula: C₁₂H₁₀Cl₂Si
Molecular Weight: 253.19
CAS No.: 80-10-4
EINECS No.: 201-251-0
Properties
- Melting point: -22 ℃
- Boiling point: 305 ℃
- Density: 1.204 g/cm³
- Appearance: Colorless liquid
- Flash point: 142.2 ℃
Safety Information
- Safety Instructions: S26; S28A; S36/37/39; S45
- Hazard Symbol: T (Toxic)
- Hazard Statements: R22; R24; R34
Applications
Mainly used as raw material for silicone oil and silicone resin.
- Organic synthesis: Used to prepare phenylsilanol, diphenylsiloxane and other organosilicon compounds; also used as reducing agent, adhesive and stabilizer.
- Coatings: Used as water repellent, fiber treatment agent and binder; widely used in high-temperature coatings due to excellent corrosion resistance and heat resistance.
- Rubber & plastics: As an additive to improve heat resistance, cold resistance, weather resistance, mechanical strength and processability.
- Pharmaceuticals: Used as a protecting group for drug molecules to facilitate chemical modification and enhance bioactivity.
- Others: Raw material for silicone rubber and diatomite production; used as gas chromatography column packing and chemical separating agent.