2-Phenylbutyric acid
Also known as: 2-Phenylbutanoic acid, alpha-Ethylphenylacetic acid, (RS)-2-Phenylbutanoic acid, alpha-Ethylbenzeneacetic acid, 2-phenylbutyric acid, alpha-Phenylbutyric acid, Phenobarbital Impurity 3
2-Phenylbutyric acid (CAS 90-27-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H12O2 and a molecular weight of 164.201 g/mol. Key properties include a melting point of 39-42ºC, a boiling point of 272.9±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 170.2±13.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 90-27-7
- Jingsj CID
- J-1506099-8
- Molecular Formula
- C10H12O2
- Molecular Weight
- 164.201 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 39-42ºC |
|---|---|
| Boiling Point | 272.9±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 170.2±13.9 °C |
| Exact Mass | 164.083725 |
| PSA | 37.30000 |
| LogP | 2.38 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.531 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Phenylbutyric acid?
The CAS number of 2-Phenylbutyric acid is 90-27-7.
What are the molecular formula and molecular weight of 2-Phenylbutyric acid?
2-Phenylbutyric acid has molecular formula C10H12O2 and molecular weight 164.201 g/mol.
Is 2-Phenylbutyric acid hazardous?
2-Phenylbutyric acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.
What are the upstream and downstream products of 2-Phenylbutyric acid?
For 2-Phenylbutyric acid, Upstream Products: Benzene,(1E)-1-propen-1-yl-, 2-Phenylbutyryl chloride, 2-phenylbutyronitrile; Downstream Products: (S)-(+)-2-Phenylbutyric acid, (R)-(-)-2-Phenylbutyric acid, 1-Phenyl-1-propanol.
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-Phenylbutyric acid (CAS 90-27-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506099-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.