Astaxanthin

虾青素

Also known as: (3S,3'S)-3,3'-Dihydroxy-β,β-carotene-4,4'-dione, (3S,3'S)-Astaxanthin, (3S,3'S)-all-trans-Astaxanthin, 3,3'-Dihydroxy-β,β-carotene-4,4'-dione, all-trans-Astaxanthin, BioAstin, Carophyll Pink, Lucantin Pink, Natupink, AstaREAL

Astaxanthin (CAS 472-61-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C40H52O4 and a molecular weight of 596.839 g/mol. It is also known as (3S,3'S)-3,3'-Dihydroxy-β,β-carotene-4,4'-dione, (3S,3'S)-Astaxanthin and (3S,3'S)-all-trans-Astaxanthin. Key properties include a melting point of 215-216ºC, a boiling point of 774.0±60.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 435.8±29.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 472-61-7
Jingsj CID: J-1990659-9
Molecular Formula: C₄₀H₅₂O₄
Chinese Name: 虾青素
Molecular Weight: 596.839 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	215-216ºC
Boiling Point	774.0±60.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	435.8±29.4 °C

Frequently Asked Questions

What is the CAS number of Astaxanthin?

The CAS number of Astaxanthin is 472-61-7.

What are the molecular formula and molecular weight of Astaxanthin?

Astaxanthin has molecular formula C40H52O4 and molecular weight 596.839 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. "Astaxanthin (CAS 472-61-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990659-9 (accessed 2026-10-23).

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