Trimethylsilane
Also known as: 2-Methyl-2-silapropane, Trimethylsilyl hydride, Silicon trimethyl, trimethylsilicon, EINECS 213-603-0, Silane, trimethyl-
Trimethylsilane (CAS 993-07-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C3H10Si and a molecular weight of 74.19700 g/mol. Key properties include a melting point of -135.9ºC, a boiling point of 6.7ºC, a density of 0.63 and a flash point of <-29ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 993-07-7
- Jingsj CID
- J-1328269-4
- Molecular Formula
- C3H10Si
- Molecular Weight
- 74.19700 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -135.9ºC |
|---|---|
| Boiling Point | 6.7ºC |
| Density | 0.63 |
| Flash Point | <-29ºC |
| Exact Mass | 74.05520 |
| LogP | 1.10290 |
| Appearance | liquid |
| Refractive Index | 1.3800 (estimate) |
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 Trimethylsilane?
The CAS number of Trimethylsilane is 993-07-7.
What are the molecular formula and molecular weight of Trimethylsilane?
Trimethylsilane has molecular formula C3H10Si and molecular weight 74.19700 g/mol.
What are the upstream and downstream products of Trimethylsilane?
For Trimethylsilane, Upstream Products: Chlorotrimethylsilane, Lithium aluminium hydride, (Cyclohex-1-en-1-yloxy)trimethylsilane; Downstream Products: 1,2-Bis(dichloromethylsilyl)ethane, (Phenylthio)trimethylsilane, 1-Trimethylsilyl-1-hexyne.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Trimethylsilane (CAS 993-07-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1328269-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.