Heneicosanoic acid

二十一碳酸

Also known as: Heneicosylic acid, n-Heneicosanoic acid, Henicosanoic acid, C21:0, C21:0 fatty acid, Carboxylic acid C21, n-heneicosylic acid, Heneicosanic acid, Heneicosansaeure, Heneicosoic acid, Heneicosanate, Heneicosanoate

Heneicosanoic acid (CAS 2363-71-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C21H42O2 and a molecular weight of 326.557 g/mol. It is also known as Heneicosylic acid, n-Heneicosanoic acid and Henicosanoic acid. Key properties include a melting point of 74-75 °C(lit.), a boiling point of 384.3±5.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 173.1±12.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2363-71-5
Jingsj CID
J-44268-4
Molecular Formula
C21H42O2
Chinese Name
二十一碳酸
Molecular Weight
326.557 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point74-75 °C(lit.)
Boiling Point384.3±5.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point173.1±12.5 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Heneicosanoic acid?

The CAS number of Heneicosanoic acid is 2363-71-5.

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

Heneicosanoic acid has molecular formula C21H42O2 and molecular weight 326.557 g/mol.

Is Heneicosanoic acid hazardous?

Heneicosanoic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Heneicosanoic acid (CAS 2363-71-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44268-4 (accessed 2026-10-22).

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