3-(4-Isobutylphenyl)propanoic acid

3-(4-异丁基苯基)丙酸

Also known as: Ibuprofen Impurity F, 3-(4-Isobutylphenyl)propanoic Acid (Ibuprofen EP Impurity F), 3-(p-Isobutylphenyl)propionic Acid, 3-[4-(2-methylpropyl)phenyl]propanoic acid, 4-(2-Methylpropyl)benzenepropanoic Acid, Benzenepropanoic acid, 4-(2-Methylpropyl)-, Ibuprofen Impurity 6, Ibuprofen-5

3-(4-Isobutylphenyl)propanoic acid (CAS 65322-85-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H18O2 and a molecular weight of 206.28100 g/mol. It is also known as Ibuprofen Impurity F, 3-(4-Isobutylphenyl)propanoic Acid (Ibuprofen EP Impurity F) and 3-(p-Isobutylphenyl)propionic Acid. Key properties include a boiling point of 327.445ºC at 760 mmHg, a density of 1.034 g/cm3 and a flash point of 224.48ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 65322-85-2
Jingsj CID: J-1972030-2
Molecular Formula: C₁₃H₁₈O₂
Chinese Name: 3-(4-异丁基苯基)丙酸
Molecular Weight: 206.28100 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	327.445ºC at 760 mmHg
Density	1.034 g/cm3
Flash Point	224.48ºC

Frequently Asked Questions

What is the CAS number of 3-(4-Isobutylphenyl)propanoic acid?

The CAS number of 3-(4-Isobutylphenyl)propanoic acid is 65322-85-2.

What are the molecular formula and molecular weight of 3-(4-Isobutylphenyl)propanoic acid?

3-(4-Isobutylphenyl)propanoic acid has molecular formula C13H18O2 and molecular weight 206.28100 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. "3-(4-Isobutylphenyl)propanoic acid (CAS 65322-85-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1972030-2 (accessed 2026-10-22).

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