Methyl 3-mercaptopropionate
Also known as: Methyl 3-mercaptopropionate, Methyl β-mercaptopropionate, Methyl 3-sulfanylpropanoate, Propanoic acid, 3-mercapto-, methyl ester, Methyl 3-mercaptopropanoate, Methyl 3-thiopropanoate, Propionic acid, 3-mercapto-, methyl ester, 3-Mercaptopropionic Acid Methyl Ester, Methyl mercaptopropionate
Methyl 3-mercaptopropionate (CAS 2935-90-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H8O2S and a molecular weight of 120.170 g/mol. Key properties include a melting point of -60ºC, a boiling point of 164.4±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 60.0±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2935-90-2
- Jingsj CID
- J-3616-8
- Molecular Formula
- C4H8O2S
- Molecular Weight
- 120.170 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -60ºC |
|---|---|
| Boiling Point | 164.4±23.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 60.0±0.0 °C |
| Exact Mass | 120.024498 |
| PSA | 65.10000 |
| LogP | 0.87 |
| Vapor Pressure | 2.0±0.3 mmHg at 25°C |
| Refractive Index | 1.452 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H302 — Harmful if swallowed
- H330 — Fatal if inhaled
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 Methyl 3-mercaptopropionate?
The CAS number of Methyl 3-mercaptopropionate is 2935-90-2.
What are the molecular formula and molecular weight of Methyl 3-mercaptopropionate?
Methyl 3-mercaptopropionate has molecular formula C4H8O2S and molecular weight 120.170 g/mol.
Is Methyl 3-mercaptopropionate hazardous?
Methyl 3-mercaptopropionate has GHS signal word Danger and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H330 — Fatal if inhaled.
What are the upstream and downstream products of Methyl 3-mercaptopropionate?
For Methyl 3-mercaptopropionate, Upstream Products: Methanol, 3-Mercaptopropionic acid, Dimethyl 3,3'-dithiodipropionate; Downstream Products: Methyl 4-oxotetrahydro-2H-thiopyran-3-carboxylate, methylenebis(3-mercaptopropionic acid), 8-Amino-6-methoxyquinoline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 3-mercaptopropionate (CAS 2935-90-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3616-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.