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(S)-(+)-2-Phenylbutyric acid

Also known as: (S)-(+)-2-Phenylbutyric acid, (S)-(+)-alpha-Ethylphenylacetic acid, (2S)-2-phenylbutanoic acid, (S)-2-Phenylbutanoic acid, Benzeneacetic acid, α-ethyl-, (αS)-, MFCD00063164

(S)-(+)-2-Phenylbutyric acid (CAS 4286-15-1) 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 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.
4286-15-1
Jingsj CID
J-13294-5
Molecular Formula
C10H12O2
Molecular Weight
164.201 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point272.9±9.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point170.2±13.9 °C
Exact Mass164.083725
PSA37.30000
LogP2.38
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.531

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Customs & Trade Information

HS Code2916399090
Summary2916399090 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 (S)-(+)-2-Phenylbutyric acid?

The CAS number of (S)-(+)-2-Phenylbutyric acid is 4286-15-1.

What are the molecular formula and molecular weight of (S)-(+)-2-Phenylbutyric acid?

(S)-(+)-2-Phenylbutyric acid has molecular formula C10H12O2 and molecular weight 164.201 g/mol.

Is (S)-(+)-2-Phenylbutyric acid hazardous?

(S)-(+)-2-Phenylbutyric acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of (S)-(+)-2-Phenylbutyric acid?

For (S)-(+)-2-Phenylbutyric acid, Upstream Products: 2-Phenylbutyric acid, Di-1-naphthylmethanol, Iodoethane.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "(S)-(+)-2-Phenylbutyric acid (CAS 4286-15-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13294-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.