2-Methyl-2-phenoxypropanoic acid
Also known as: 2-Methyl-2-phenoxypropionic acid, Phenoxyisobutyric acid, 2-Phenoxyisobutyric acid, 2-Phenoxy-2,2-dimethyl acetic acid, 2-Phenoxy-2-methylpropanoic acid, 2-methyl-2-phenoxypropanoic acid(SALTDATA: FREE), Propanoic acid, 2-methyl-2-phenoxy-, Propionic acid, 2-methyl-2-phenoxy-, 2-Phenoxy-2,2-dimethylacetic acid, Acide methyl-2 phenoxy-2 propionique
2-Methyl-2-phenoxypropanoic acid (CAS 943-45-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12O3 and a molecular weight of 180.201 g/mol. Key properties include a boiling point of 289.3±13.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 111.7±13.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 943-45-3
- Jingsj CID
- J-14098-7
- Molecular Formula
- C10H12O3
- Molecular Weight
- 180.201 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 289.3±13.0 °C at 760 mmHg |
|---|---|
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 111.7±13.3 °C |
| Exact Mass | 180.078644 |
| PSA | 46.53000 |
| LogP | 2.04 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.526 |
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-Methyl-2-phenoxypropanoic acid?
The CAS number of 2-Methyl-2-phenoxypropanoic acid is 943-45-3.
What are the molecular formula and molecular weight of 2-Methyl-2-phenoxypropanoic acid?
2-Methyl-2-phenoxypropanoic acid has molecular formula C10H12O3 and molecular weight 180.201 g/mol.
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-Methyl-2-phenoxypropanoic acid (CAS 943-45-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-14098-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.