3-Mercaptopropionic acid
Also known as: 3-Mercaptopropanoic acid, β-Mercaptopropionic acid, Thiopropionic acid, 3-Sulfanylpropanoic acid, β-Thiopropionic acid, Thiohydracrylic acid, 3-MPA, Propanoic acid, 3-mercapto-
3-Mercaptopropionic acid (CAS 107-96-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H6O2S and a molecular weight of 106.14600 g/mol. Key properties include a melting point of 17 °C, a boiling point of 217.4±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 93.9±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 4, 2026.
- CAS No.
- 107-96-0
- Jingsj CID
- J-6357-0
- Molecular Formula
- C3H6O2S
- Molecular Weight
- 106.14600 g/mol
- Category
- Organic Acids
- Last updated
- 11/4/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 17 °C |
|---|---|
| Boiling Point | 217.4±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 93.9±0.0 °C |
| Exact Mass | 106.008850 |
| PSA | 76.10000 |
| LogP | 0.43 |
| Vapor Pressure | 0.1±0.8 mmHg at 25°C |
| Refractive Index | 1.498 |
| Additional Property | soluble |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- 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 3-Mercaptopropionic acid?
The CAS number of 3-Mercaptopropionic acid is 107-96-0.
What are the molecular formula and molecular weight of 3-Mercaptopropionic acid?
3-Mercaptopropionic acid has molecular formula C3H6O2S and molecular weight 106.14600 g/mol.
Is 3-Mercaptopropionic acid hazardous?
3-Mercaptopropionic acid has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 3-Mercaptopropionic acid?
For 3-Mercaptopropionic acid, Upstream Products: Acrylic acid, Sodium acrylate, β-Propiolactone; Downstream Products: 3,3'-[(phenylmethylene)bis(thio)]bispropionic acid, Dibutyl sulfide, 3-(Butylthio)propanoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Mercaptopropionic acid (CAS 107-96-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6357-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.