2-Chloropropionic acid
Also known as: 2-Chloropropanoic acid, α-Chloropropionic acid, α-Chloropropanoic acid, (±)-2-Chloropropionic acid, Propanoic acid, 2-chloro-, Propionic acid, α-chloro-, α-Monochloropropanoic acid
2-Chloropropionic acid (CAS 598-78-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C3H5ClO2 and a molecular weight of 108.524 g/mol. Key properties include a melting point of -12--14 °C, a boiling point of 189.0±13.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 101.7±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed 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.
- 598-78-7
- Jingsj CID
- J-1142222-3
- Molecular Formula
- C3H5ClO2
- Molecular Weight
- 108.524 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | -12--14 °C |
|---|---|
| Boiling Point | 189.0±13.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 101.7±0.0 °C |
| Exact Mass | 107.997810 |
| PSA | 37.30000 |
| LogP | 0.30 |
| Vapor Pressure | 0.3±0.7 mmHg at 25°C |
| Refractive Index | 1.441 |
| Additional Property | freely soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 29159080 |
|---|
Frequently Asked Questions
What is the CAS number of 2-Chloropropionic acid?
The CAS number of 2-Chloropropionic acid is 598-78-7.
What are the molecular formula and molecular weight of 2-Chloropropionic acid?
2-Chloropropionic acid has molecular formula C3H5ClO2 and molecular weight 108.524 g/mol.
Is 2-Chloropropionic acid hazardous?
2-Chloropropionic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2-Chloropropionic acid?
For 2-Chloropropionic acid, Upstream Products: DL-Alanine, Propionyl chloride, 2-Chloropropionitrile; Downstream Products: 2-(2-naphthyloxy)propanoic acid, 2,3-Dichloropropionic acid, Diclofop.
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-Chloropropionic acid (CAS 598-78-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1142222-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.