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Hyaluronic acid

Also known as: Hyaluronate, Hyaluronic acid sodium salt, Hyaluronic acid (high molecular weight), Hyaluronic acid (low molecular weight), Hyaluronic acid (various MW)

Hyaluronic acid (CAS 9004-61-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula (C14H21NO11)n and a molecular weight of 379.32 (monomer) g/mol. Key properties include a boiling point of 1274.4±65.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 724.5±34.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
9004-61-9
Jingsj CID
J-12327-5
Molecular Formula
(C14H21NO11)n
Molecular Weight
379.32 (monomer) g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point1274.4±65.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point724.5±34.3 °C
PSA399.71000
LogP-6.62
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.666
Additional PropertyH2O: 5 mg/mL, clear, colorless | Soluble in water.

Activity & Biological Data

TargetHuman Endogenous Metabolite
Additional Information[1]. Salwowska NM, et al. Physiochemical properties and application of hyaluronic acid: a systematic review. J Cosmet Dermatol. 2016 Dec;15(4):520-526. [2]. Wu RL, et al. Hyaluronic acid in digestive cancers. J Cancer Res Clin Oncol. 2017 Jan;143(1):1-16. [3]. Kogan G, et al. Hyaluronic acid: a natural biopolymer with a broad range of biomedical and industrial applications. Biotechnol Lett. 2007 Jan;29(1):17-25.

Customs & Trade Information

HS Code3004909090

Frequently Asked Questions

What is the CAS number of Hyaluronic acid?

The CAS number of Hyaluronic acid is 9004-61-9.

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

Hyaluronic acid has molecular formula (C14H21NO11)n and molecular weight 379.32 (monomer) g/mol.

What are the upstream and downstream products of Hyaluronic acid?

For Hyaluronic acid, Upstream Products: Sodium Hyaluronate; Downstream Products: Sodium Hyaluronate.

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

Last updated:

How to cite: Jingsj. "Hyaluronic acid (CAS 9004-61-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12327-5 (accessed 2026-11-06).

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