(2-Mercaptoethyl)trimethylsilane
2-三甲基硅烷乙硫醇
Also known as: 2-(Trimethylsilyl)ethanethiol, Ethanethiol, 2-(trimethylsilyl)-, 2-Trimethylsilylethanethiol, 2-Mercaptoethyltrimethylsilane, Me3SiCH2CH2SH, Trimethylsilyl ethanethiol, 2-(Trimethylsilyl)ethane-1-thiol, 2-Trimethylsilanyl-ethanethiol, 2-(TRIMETHYLSILYL)ETHANETHIOL, 2-TRIMETHYLSILANYL-ETHANETHIOL, ETHYLTHIOTRIMETHYLSILANE 97%, BEST, MFCD00077888
(2-Mercaptoethyl)trimethylsilane (CAS 18143-30-1) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H14SSi and a molecular weight of 134.31500 g/mol. It is also known as 2-(Trimethylsilyl)ethanethiol, Ethanethiol, 2-(trimethylsilyl)- and 2-Trimethylsilylethanethiol. Key properties include a boiling point of 140ºC at 760mmHg, a density of 0.835g/cm3 and a flash point of 29.4ºC. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 18143-30-1
- Jingsj CID
- J-30017-1
- Molecular Formula
- C5H14SSi
- Chinese Name
- 2-三甲基硅烷乙硫醇
- Molecular Weight
- 134.31500 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 140ºC at 760mmHg |
|---|---|
| Density | 0.835g/cm3 |
| Flash Point | 29.4ºC |
| Exact Mass | 134.05900 |
| PSA | 38.80000 |
| LogP | 2.25440 |
| Vapor Pressure | 7.8mmHg at 25°C |
| Refractive Index | n20/D 1.454(lit.) |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 (2-Mercaptoethyl)trimethylsilane?
The CAS number of (2-Mercaptoethyl)trimethylsilane is 18143-30-1.
What are the molecular formula and molecular weight of (2-Mercaptoethyl)trimethylsilane?
(2-Mercaptoethyl)trimethylsilane has molecular formula C5H14SSi and molecular weight 134.31500 g/mol.
Is (2-Mercaptoethyl)trimethylsilane hazardous?
(2-Mercaptoethyl)trimethylsilane has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of (2-Mercaptoethyl)trimethylsilane?
For (2-Mercaptoethyl)trimethylsilane, Upstream Products: Vinyltrimethylsilane, hydrogen sulfide.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(2-Mercaptoethyl)trimethylsilane (CAS 18143-30-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30017-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.