Undecanoic acid

Also known as: 1-Decanecarboxylic acid, Hendecanoic acid, Undecylic acid, n-undecanoic acid, n-undecylic acid

Undecanoic acid (CAS 112-37-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H22O2 and a molecular weight of 186.291 g/mol. Key properties include a melting point of 28-31 °C(lit.), a boiling point of 283.3±3.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 128.2±11.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 112-37-8
Jingsj CID: J-12702-2
Molecular Formula: C₁₁H₂₂O₂
Molecular Weight: 186.291 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	28-31 °C(lit.)
Boiling Point	283.3±3.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	128.2±11.9 °C
Exact Mass	186.161987
PSA	37.30000
LogP	4.50
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.446
Additional Property	insoluble

Activity & Biological Data

Additional Information	[1]. Hornung B, et al. Medium chain length fatty acids stimulate triacylglycerol synthesis in tissue culture cells. Biochem Pharmacol. 1992 Jan 22;43(2):175-81. [2]. Das SK, et al. Effect of undecanoic acid on phospholipid metabolism in Trichophyton rubrum. Sabouraudia. 1982 Dec;20(4):267-72. [3]. Das SK, et al. Effect of undecanoic acid on the production of exocellular lipolytic and keratinolytic enzymes by undecanoic acid-sensitive and -resistant strains of Trichophyton rubrum. Sabouraudia. 1982 Sep;20(3):179-84. [4]. Coppa M, et al. Effect of a hay-based diet or different upland grazing systems on milk volatile compounds. J Agric Food Chem. 2011 May 11;59(9):4947-54.

Additional Information

[1]. Hornung B, et al. Medium chain length fatty acids stimulate triacylglycerol synthesis in tissue culture cells. Biochem Pharmacol. 1992 Jan 22;43(2):175-81. [2]. Das SK, et al. Effect of undecanoic acid on phospholipid metabolism in Trichophyton rubrum. Sabouraudia. 1982 Dec;20(4):267-72. [3]. Das SK, et al. Effect of undecanoic acid on the production of exocellular lipolytic and keratinolytic enzymes by undecanoic acid-sensitive and -resistant strains of Trichophyton rubrum. Sabouraudia. 1982 Sep;20(3):179-84. [4]. Coppa M, et al. Effect of a hay-based diet or different upland grazing systems on milk volatile compounds. J Agric Food Chem. 2011 May 11;59(9):4947-54.

Customs & Trade Information

HS Code	2915900090
Summary	2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Undecanoic acid?

The CAS number of Undecanoic acid is 112-37-8.

What are the molecular formula and molecular weight of Undecanoic acid?

Undecanoic acid has molecular formula C11H22O2 and molecular weight 186.291 g/mol.

What are the upstream and downstream products of Undecanoic acid?

For Undecanoic acid, Upstream Products: 1-Undecanol, 1,2-Dodecanediol, 9-Undecynoic acid; Downstream Products: Methyl undecanoate, Glutaric acid, Succinic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Undecanoic acid (CAS 112-37-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12702-2 (accessed 2026-11-07).

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