Xanthopurpurin

Also known as: 1,3-Dihydroxyanthraquinone, Purpuroxanthin, 1,3-Dihydroxy-9,10-anthracenedione, 1,3-dihydroxyanthracene-9,10-dione, 9,10-Anthracenedione, 1,3-dihydroxy-

Xanthopurpurin (CAS 518-83-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C14H8O4 and a molecular weight of 240.211 g/mol. Key properties include a melting point of 266-268℃, a boiling point of 514.5±30.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 279.0±21.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 518-83-2
Jingsj CID: J-1094415-7
Molecular Formula: C₁₄H₈O₄
Molecular Weight: 240.211 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	266-268℃
Boiling Point	514.5±30.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	279.0±21.1 °C
Exact Mass	240.042252
PSA	74.60000
LogP	3.98
Vapor Pressure	0.0±1.4 mmHg at 25°C
Refractive Index	1.733

Activity & Biological Data

Additional Information	[1]. M I Chung, et al. Antiplatelet constituents of formosan Rubia akane. J Nat Prod. 1994 Feb;57(2):313-6.

Customs & Trade Information

HS Code	2914690090
Summary	2914690090 other quinones。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Xanthopurpurin?

The CAS number of Xanthopurpurin is 518-83-2.

What are the molecular formula and molecular weight of Xanthopurpurin?

Xanthopurpurin has molecular formula C14H8O4 and molecular weight 240.211 g/mol.

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. "Xanthopurpurin (CAS 518-83-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1094415-7 (accessed 2026-11-09).

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