1,4-Dihydroxyanthraquinone-2-sulfonic acid

1,4-二羟基蒽醌-2-磺酸

Also known as: 1,4-Dihydroxy-2-sulfoanthraquinone, Quinizarin-2-sulfonic acid, 2-Sulfoquinizarine, 9,10-Dihydro-1,4-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid, Rufianic acid, 1,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid, 1,4-dihydroxy-9,10-dioxoanthracene-2-sulfonic acid

1,4-Dihydroxyanthraquinone-2-sulfonic acid (CAS 145-48-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H8O7S and a molecular weight of 320.274 g/mol. It is also known as 1,4-Dihydroxy-2-sulfoanthraquinone, Quinizarin-2-sulfonic acid and 2-Sulfoquinizarine. Key property: a density of 1.8±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
145-48-2
Jingsj CID
J-5213-1
Molecular Formula
C14H8O7S
Chinese Name
1,4-二羟基蒽醌-2-磺酸
Molecular Weight
320.274 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Density1.8±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of 1,4-Dihydroxyanthraquinone-2-sulfonic acid?

The CAS number of 1,4-Dihydroxyanthraquinone-2-sulfonic acid is 145-48-2.

What are the molecular formula and molecular weight of 1,4-Dihydroxyanthraquinone-2-sulfonic acid?

1,4-Dihydroxyanthraquinone-2-sulfonic acid has molecular formula C14H8O7S and molecular weight 320.274 g/mol.

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

Last updated:

How to cite: Jingsj. "1,4-Dihydroxyanthraquinone-2-sulfonic acid (CAS 145-48-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5213-1 (accessed 2026-10-23).

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