Butibufen

布替布芬

Also known as: 2-(4-Isobutylphenyl)butanoic acid, 2-(4-Isobutylphenyl)butyric acid, 2-(p-Isobutylphenyl)butyric acid, 2-[4-(2-methylpropyl)phenyl]butanoic acid, Benzeneacetic acid, -alpha--ethyl-4-(2-methylpropyl)- (9CI), Bitubufen, Butibufene [INN-French], Butibufeno [INN-Spanish], Butibufenum [INN-Latin], Butilopan, Butiropan, FF-106

Butibufen (CAS 55837-18-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H20O2 and a molecular weight of 220.30700 g/mol. It is also known as 2-(4-Isobutylphenyl)butanoic acid, 2-(4-Isobutylphenyl)butyric acid and 2-(p-Isobutylphenyl)butyric acid. Key properties include a melting point of 51-53°, a boiling point of 335.1ºC at 760mmHg, a density of 1.015g/cm3 and a flash point of 232.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 55837-18-8
Jingsj CID: J-5690-0
Molecular Formula: C₁₄H₂₀O₂
Chinese Name: 布替布芬
Molecular Weight: 220.30700 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	51-53°
Boiling Point	335.1ºC at 760mmHg
Density	1.015g/cm3
Flash Point	232.1ºC
Exact Mass	220.14600
PSA	37.30000
LogP	3.46330
Refractive Index	1.515
Storage Conditions	2-8°C

Activity & Biological Data

Additional Information	[1]. Aparicio L. Some aspects of the pharmacology of butibufen, a non-steroidal anti-inflammatory agent. Arch Int Pharmacodyn Ther. 1977 May;227(1):130-41. [2]. Castell JV, et al. A study of the relative hepatotoxicity in vitro of the non-steroidal anti-inflammatory drugs ibuprofen, flurbiprofen and butibufen. Xenobiotica. 1988 Jun;18(6):737-45. [3]. Alamo C, et al. Influence of butibufen on enzyme activity and lysosomal stabilization ex vivo: a comparative study with hydrocortisone and acetylsalicylic acid. Methods Find Exp Clin Pharmacol.

Additional Information

[1]. Aparicio L. Some aspects of the pharmacology of butibufen, a non-steroidal anti-inflammatory agent. Arch Int Pharmacodyn Ther. 1977 May;227(1):130-41. [2]. Castell JV, et al. A study of the relative hepatotoxicity in vitro of the non-steroidal anti-inflammatory drugs ibuprofen, flurbiprofen and butibufen. Xenobiotica. 1988 Jun;18(6):737-45. [3]. Alamo C, et al. Influence of butibufen on enzyme activity and lysosomal stabilization ex vivo: a comparative study with hydrocortisone and acetylsalicylic acid. Methods Find Exp Clin Pharmacol.

Frequently Asked Questions

What is the CAS number of Butibufen?

The CAS number of Butibufen is 55837-18-8.

What are the molecular formula and molecular weight of Butibufen?

Butibufen has molecular formula C14H20O2 and molecular weight 220.30700 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. "Butibufen (CAS 55837-18-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5690-0 (accessed 2026-10-28).

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