Methylsilane
Also known as: Silane, methyl-, CH3SiH3, Silaethane, Methylsilane (H3SiMe), Monosilylmethane, Silylmethane, anhydrous methylsilane, methylsilicon, monomethylsilane, MFCD00053655, EINECS 213-598-5
Methylsilane (CAS 992-94-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula CH6Si and a molecular weight of 46.14380 g/mol. Key properties include a melting point of -157ºC, a boiling point of -57ºC, a density of 0.628 g/cm3 and a flash point of <-40ºC. It is classified under GHS with signal word Danger and hazard statements H220, H280 and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 992-94-9
- Jingsj CID
- J-26636-3
- Molecular Formula
- CH6Si
- Molecular Weight
- 46.14380 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -157ºC |
|---|---|
| Boiling Point | -57ºC |
| Density | 0.628 g/cm3 |
| Flash Point | <-40ºC |
| Exact Mass | 46.02390 |
| Additional Property | 0.628 (58 °C, vs air) |
GHS Safety & Compliance
- H220
- H280
- H312 — Harmful in contact with skin
- H332 — Harmful 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 Methylsilane?
The CAS number of Methylsilane is 992-94-9.
What are the molecular formula and molecular weight of Methylsilane?
Methylsilane has molecular formula CH6Si and molecular weight 46.14380 g/mol.
Is Methylsilane hazardous?
Methylsilane has GHS signal word Danger and hazard statements H220; H280; H312 — Harmful in contact with skin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methylsilane (CAS 992-94-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26636-3 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.