Ibufenac

异丁芬酸

Also known as: (4-Isobutylphenyl)acetic acid, (p-isobutylphenyl)acetic acid, 2-[4-(2-methylpropyl)phenyl]acetic acid, 4-(2-methylpropyl)benzeneacetic acid, 4-Isobutylphenylacetic acid, Benzeneacetic acid, 4-(2-methylpropyl)-, Dytransin, Ibunac, Isodilan

Ibufenac (CAS 1553-60-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H16O2 and a molecular weight of 192.254 g/mol. It is also known as (4-Isobutylphenyl)acetic acid, (p-isobutylphenyl)acetic acid and 2-[4-(2-methylpropyl)phenyl]acetic acid. Key properties include a melting point of 85-87ºC, a boiling point of 312.2±11.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 209.3±14.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1553-60-2
Jingsj CID: J-30362-4
Molecular Formula: C₁₂H₁₆O₂
Chinese Name: 异丁芬酸
Molecular Weight: 192.254 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	85-87ºC
Boiling Point	312.2±11.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	209.3±14.4 °C

Frequently Asked Questions

What is the CAS number of Ibufenac?

The CAS number of Ibufenac is 1553-60-2.

What are the molecular formula and molecular weight of Ibufenac?

Ibufenac has molecular formula C12H16O2 and molecular weight 192.254 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Ibufenac (CAS 1553-60-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30362-4 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.