2-Phenoxypropionic acid
Also known as: 2-Phenoxypropanoic acid, DL-2-Phenoxypropionic acid, alpha-Phenoxypropionic acid, α-Methylphenoxyacetic acid, 2-phenoxypropanoate, Acide phenoxy-2-propionique, Propanoic acid, 2-phenoxy-, Propionic acid, 2-phenoxy- (VAN), NSC 404102, NSC 1866, MFCD00002643, PHD-0-01, (+/-)-2-phenyloxypropanoic acid, phenoxypropionic acid, phenoxypropanoic acid
2-Phenoxypropionic acid (CAS 940-31-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O3 and a molecular weight of 166.174 g/mol. Key properties include a melting point of 112-115 °C(lit.), a boiling point of 265.0±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 112.7±13.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 940-31-8
- Jingsj CID
- J-24090-4
- Molecular Formula
- C9H10O3
- Molecular Weight
- 166.174 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 112-115 °C(lit.) |
|---|---|
| Boiling Point | 265.0±0.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 112.7±13.3 °C |
| Exact Mass | 166.062988 |
| PSA | 46.53000 |
| LogP | 1.69 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.530 |
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. 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-Phenoxypropionic acid?
The CAS number of 2-Phenoxypropionic acid is 940-31-8.
What are the molecular formula and molecular weight of 2-Phenoxypropionic acid?
2-Phenoxypropionic acid has molecular formula C9H10O3 and molecular weight 166.174 g/mol.
What are the upstream and downstream products of 2-Phenoxypropionic acid?
For 2-Phenoxypropionic acid, Upstream Products: 2-(4-Chlorophenoxy)propionic acid, Phenol, 2-Bromopropanoic acid; Downstream Products: (R)-(+)-2-(4-Hydroxyphenoxy)propionic acid, 4-Chlorophenol, 3-Phenoxy-2-butanone.
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-Phenoxypropionic acid (CAS 940-31-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24090-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.