Bis(trichlorosilyl)methane
Also known as: Methylenebis(trichlorosilane), trichloro(trichlorosilylmethyl)silane, 1,1,1,3,3,3-hexachloro-1,3-disilapropane, hexachlorodisilmethylene, Bis-trichlorsilyl-methan, DK293, MFCD00270969
Bis(trichlorosilyl)methane (CAS 4142-85-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula CH2Cl6Si2 and a molecular weight of 282.916 g/mol. Key properties include a boiling point of 145.0±13.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 31.4±14.6 °C. It is classified under GHS with signal word Danger and hazard statements 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.
- 4142-85-2
- Jingsj CID
- J-48104-9
- Molecular Formula
- CH2Cl6Si2
- Molecular Weight
- 282.916 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 145.0±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 31.4±14.6 °C |
| Exact Mass | 279.782623 |
| LogP | 8.31 |
| Vapor Pressure | 6.3±0.3 mmHg at 25°C |
| Refractive Index | 1.488 |
GHS Safety & Compliance
- H261
- H314 — Causes severe skin burns and eye damage
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 Bis(trichlorosilyl)methane?
The CAS number of Bis(trichlorosilyl)methane is 4142-85-2.
What are the molecular formula and molecular weight of Bis(trichlorosilyl)methane?
Bis(trichlorosilyl)methane has molecular formula CH2Cl6Si2 and molecular weight 282.916 g/mol.
Is Bis(trichlorosilyl)methane hazardous?
Bis(trichlorosilyl)methane has GHS signal word Danger and hazard statements H261; H314 — Causes severe skin burns and eye damage.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Bis(trichlorosilyl)methane (CAS 4142-85-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48104-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.