1,2,5,6-tetrahydroxyanthraquinone

Also known as: 9,10-Anthracenedione, 1,2,5,6-tetrahydroxy-, 1,2,5,6-Tetrahydroxy-9,10-anthraquinone, Chinalizarin, Rufiopin, 1,2,5,6-tetrahydroxy-9,10-anthracenedione, 1.2.5.6-Tetraoxy-anthrachinon

1,2,5,6-tetrahydroxyanthraquinone (CAS 632-77-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C14H8O6 and a molecular weight of 272.21000 g/mol. Key properties include a boiling point of 481.5ºC at 760 mmHg, a density of 1.781g/cm3 and a flash point of 259.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 632-77-9
Jingsj CID: J-1354300-6
Molecular Formula: C₁₄H₈O₆
Molecular Weight: 272.21000 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	481.5ºC at 760 mmHg
Density	1.781g/cm3
Flash Point	259.1ºC
Exact Mass	272.03200
PSA	115.06000
LogP	1.28440
Refractive Index	1.814

Frequently Asked Questions

What is the CAS number of 1,2,5,6-tetrahydroxyanthraquinone?

The CAS number of 1,2,5,6-tetrahydroxyanthraquinone is 632-77-9.

What are the molecular formula and molecular weight of 1,2,5,6-tetrahydroxyanthraquinone?

1,2,5,6-tetrahydroxyanthraquinone has molecular formula C14H8O6 and molecular weight 272.21000 g/mol.

What are the upstream and downstream products of 1,2,5,6-tetrahydroxyanthraquinone?

For 1,2,5,6-tetrahydroxyanthraquinone, Upstream Products: protocatechuic acid, 1,2-Benzenedicarboxylic acid, 3,4-dimethoxy-, 2-Carboxy-3,4-dimethoxybenzaldehyde.

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. "1,2,5,6-tetrahydroxyanthraquinone (CAS 632-77-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1354300-6 (accessed 2026-11-06).

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