Dichlorodimethylsilane
Also known as: Dimethyldichlorosilane, Dichloro(dimethyl)silane, Dimethyl dichlorosilane, Silane, dichlorodimethyl-, UNII-8TSJ92JX69, EINECS 200-901-0, MFCD00000491
Dichlorodimethylsilane (CAS 75-78-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C2H6Cl2Si and a molecular weight of 129.061 g/mol. Key properties include a melting point of -76 °C, a boiling point of 70.0±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of -16.1±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed 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.
- 75-78-5
- Jingsj CID
- J-45153-6
- Molecular Formula
- C2H6Cl2Si
- Molecular Weight
- 129.061 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -76 °C |
|---|---|
| Boiling Point | 70.0±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | -16.1±0.0 °C |
| Exact Mass | 127.961578 |
| LogP | 3.18 |
| Vapor Pressure | 142.6±0.1 mmHg at 25°C |
| Refractive Index | 1.410 |
| Additional Property | reacts |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H314 — Causes severe skin burns and eye damage
- H331 — Toxic if inhaled
Customs & Trade Information
| HS Code | 29310095 |
|---|
Frequently Asked Questions
What is the CAS number of Dichlorodimethylsilane?
The CAS number of Dichlorodimethylsilane is 75-78-5.
What are the molecular formula and molecular weight of Dichlorodimethylsilane?
Dichlorodimethylsilane has molecular formula C2H6Cl2Si and molecular weight 129.061 g/mol.
Is Dichlorodimethylsilane hazardous?
Dichlorodimethylsilane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Dichlorodimethylsilane?
For Dichlorodimethylsilane, Upstream Products: Diethoxydimethylsilane, Dimethyldimethoxysilane, Chloromethane; Downstream Products: Tetradecamethylcycloheptasiloxane, Hexamethylcyclotrisiloxane, Octamethylcyclotetrasiloxane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dichlorodimethylsilane (CAS 75-78-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45153-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.