Chlorodimethylsilane
Also known as: Dimethylchlorosilane, DMCS, Dimethylsilyl chloride, Chlorodimethylhydrosilane, Dimethylhydrosilyl chloride, Dimethylmonochlorosilane, CD5470, Silane, chlorodimethyl-, Dimethylchlorohydrosilane
Chlorodimethylsilane (CAS 1066-35-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2H7ClSi and a molecular weight of 94.616 g/mol. Key properties include a melting point of −111 °C(lit.), a boiling point of 33.1±9.0 °C at 760 mmHg, a density of 0.852 g/mL at 25 °C(lit.) and a flash point of -28.9±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H224, H261 and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1066-35-9
- Jingsj CID
- J-27681-4
- Molecular Formula
- C2H7ClSi
- Molecular Weight
- 94.616 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | −111 °C(lit.) |
|---|---|
| Boiling Point | 33.1±9.0 °C at 760 mmHg |
| Density | 0.852 g/mL at 25 °C(lit.) |
| Flash Point | -28.9±0.0 °C |
| Exact Mass | 94.000557 |
| LogP | 2.76 |
| Additional Property | 4 (vs air) |
| Vapor Pressure | 568.5±0.1 mmHg at 25°C |
| Refractive Index | n20/D 1.383(lit.) |
| Additional Property | reacts |
GHS Safety & Compliance
- H224
- H261
- H314 — Causes severe skin burns and eye damage
- H331 — Toxic if inhaled
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Chlorodimethylsilane?
The CAS number of Chlorodimethylsilane is 1066-35-9.
What are the molecular formula and molecular weight of Chlorodimethylsilane?
Chlorodimethylsilane has molecular formula C2H7ClSi and molecular weight 94.616 g/mol.
Is Chlorodimethylsilane hazardous?
Chlorodimethylsilane has GHS signal word Danger and hazard statements H224; H261; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Chlorodimethylsilane?
For Chlorodimethylsilane, Upstream Products: 1,1,3,3-Tetramethyldisiloxane, Dichlorodimethylsilane, 1,2-dichloro-1,1,2,2-tetramethyldisilane; Downstream Products: 1,2-Bis(dichloromethylsilyl)ethane, 1,2-Bis(chlorodimethylsilyl)ethane, (11-Bromoundecyl)(chloro)dimethylsilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chlorodimethylsilane (CAS 1066-35-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27681-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.