2-(Methylthio)ethylamine
Also known as: 2-(Methylthio)ethanamine, 2-(Methylsulfanyl)ethanamine, 2-Aminoethyl methyl sulfide, S-Methylcysteamine, 1-Amino-2-(methylthio)ethane, 1-Aza-4-thiapentane, 2-Aminoethylmethylsulphide, 2-Methylsulfanyl-ethylamine, Aminoethyl methyl sulphide, EINECS 242-412-5, MFCD00014825, Ethanamine, 2-(methylthio)-
2-(Methylthio)ethylamine (CAS 18542-42-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C3H9NS and a molecular weight of 91.175 g/mol. Key properties include a boiling point of 152.6±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 46.1±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour 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.
- 18542-42-2
- Jingsj CID
- J-21398-9
- Molecular Formula
- C3H9NS
- Molecular Weight
- 91.175 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 152.6±23.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 46.1±22.6 °C |
| Exact Mass | 91.045570 |
| PSA | 51.32000 |
| LogP | 0.20 |
| Vapor Pressure | 3.5±0.3 mmHg at 25°C |
| Refractive Index | 1.486 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-(Methylthio)ethylamine?
The CAS number of 2-(Methylthio)ethylamine is 18542-42-2.
What are the molecular formula and molecular weight of 2-(Methylthio)ethylamine?
2-(Methylthio)ethylamine has molecular formula C3H9NS and molecular weight 91.175 g/mol.
Is 2-(Methylthio)ethylamine hazardous?
2-(Methylthio)ethylamine has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2-(Methylthio)ethylamine?
For 2-(Methylthio)ethylamine, Upstream Products: Cysteamine hydrochloride, iodomethane, 2-(Methylthio)ethanol; Downstream Products: 2-Aminoethyl methyl sulfone, tert-Butyl (2-(methylthio)ethyl)carbamate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-(Methylthio)ethylamine (CAS 18542-42-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21398-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.