Heneicosane

Also known as: EINECS 211-118-9, MFCD00009346, UNII-I93S5U5DMP, henicosan, henicosane, n-Heneicosane

Heneicosane (CAS 629-94-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C21H44 and a molecular weight of 296.57400 g/mol. Key properties include a melting point of 39-41 °C(lit.), a boiling point of 100 °C2 mm Hg(lit.), a density of 0,792 g/cm3 and a flash point of >110.0 °C. It is listed by 1 supplier, from 4.50 to 400.00 CNY. Record last updated Nov 3, 2026.

CAS No.: 629-94-7
Jingsj CID: J-9978-3
Molecular Formula: C₂₁H₄₄
Molecular Weight: 296.57400 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 11/3/2026

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Supplier	Purity / Pack	Base Price	Unit Price	Origin
Jingkang In Stock	AR 100ml	¥450.00	$0.67 /mlBest ¥4.50/ml CNY	CN China MOQ 100ml	Visit Website
Jingkang In Stock	AR 25ml	¥150.00	$0.9 /ml ¥6.00/ml CNY	CN China MOQ 25ml	Visit Website
Jingkang In Stock	GR 250g	¥6,000.00	$3.59 /g ¥24.00/g CNY	CN China MOQ 250g	Visit Website
Jingkang In Stock	GR 50g	¥1,500.00	$4.49 /g ¥30.00/g CNY	CN China MOQ 50g	Visit Website
Jingkang In Stock	GR 10g	¥500.00	$7.48 /g ¥50.00/g CNY	CN China MOQ 10g	Visit Website
Jingkang In Stock	GCS 5g	¥520.00	$15.56 /g ¥104.00/g CNY	CN China MOQ 5g	Visit Website
Jingkang In Stock	分析标准品，≥99.5% (GC) 1g	¥400.00	$59.86 /g ¥400.00/g CNY	CN China MOQ 1g	Visit Website

Physicochemical Properties

Melting Point	39-41 °C(lit.)
Boiling Point	100 °C2 mm Hg(lit.)
Density	0,792 g/cm3
Flash Point	>110.0 °C
Exact Mass	296.34400
LogP	8.43810
Additional Property	10.3 (vs air)
Vapor Pressure	<1 mm Hg ( 20 °C)
Refractive Index	1.442

Activity & Biological Data

Additional Information	[1]. Colin F Funaro, et al. Identification of a queen and king recognition pheromone in the subterranean termite Reticulitermes flavipes. Proc Natl Acad Sci U S A. 2018 Apr 10;115(15):3888-3893. [2]. S Boukaew, et al. Efficacy of volatile compounds from Streptomyces philanthi RL-1-178 as a biofumigant for controlling growth and aflatoxin production of the two aflatoxin-producing fungi on stored soybean seeds. J Appl Microbiol. 2020 Sep;129(3):652-664. [3]. Maurizio D'Auria, et al. The composition of the aroma of Serapias orchids in Basilicata (Southern Italy). Nat Prod Res. 2020 Jan 20;1-5.

Additional Information

[1]. Colin F Funaro, et al. Identification of a queen and king recognition pheromone in the subterranean termite Reticulitermes flavipes. Proc Natl Acad Sci U S A. 2018 Apr 10;115(15):3888-3893. [2]. S Boukaew, et al. Efficacy of volatile compounds from Streptomyces philanthi RL-1-178 as a biofumigant for controlling growth and aflatoxin production of the two aflatoxin-producing fungi on stored soybean seeds. J Appl Microbiol. 2020 Sep;129(3):652-664. [3]. Maurizio D'Auria, et al. The composition of the aroma of Serapias orchids in Basilicata (Southern Italy). Nat Prod Res. 2020 Jan 20;1-5.

Frequently Asked Questions

What is the CAS number of Heneicosane?

The CAS number of Heneicosane is 629-94-7.

What are the molecular formula and molecular weight of Heneicosane?

Heneicosane has molecular formula C21H44 and molecular weight 296.57400 g/mol.

Which suppliers offer Heneicosane?

1 supplier(s) listed; reference unit price ¥4.50–400.00 /ml.

What are the upstream and downstream products of Heneicosane?

For Heneicosane, Upstream Products: Docosanoic acid, 2-Heneicosanone, Stearic acid.

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

Last updated: 11/3/2026

How to cite: Jingsj. "Heneicosane (CAS 629-94-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9978-3 (accessed 2026-11-06).

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