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Sodium anthraquinone-2-sulfonate

Also known as: Sodium 9,10-dioxo-9,10-dihydroanthracene-2-sulfonate, 2-Anthracenesulfonic acid,9,10-dihydro-9,10-dioxo-, sodium salt, 2-anthraquinonesulfonate sodium, 9,10-anthraquinone-2-sodiumsulfonate, 9,10-dihydro-9,10-dioxo-2-anthracenesulfonic acid sodium salt, Anthraquinone-2-sulfonic acid sodium salt, Anthraquinone-2-sulphonic acid sodium salt, SODIUM ANTHRAQUINONE-BETA-SULFONATE, SODIUM ANTHRAQUINONE-B-SULFONATE, silversalt

Sodium anthraquinone-2-sulfonate (CAS 131-08-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H7NaO5S and a molecular weight of 310.25700 g/mol. Key property: a melting point of >300 °C(lit.). No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.
131-08-8
Jingsj CID
J-1993376-8
Molecular Formula
C14H7NaO5S
Molecular Weight
310.25700 g/mol
Category
Organic Acids
Last updated
11/3/2026
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Physicochemical Properties

Melting Point>300 °C(lit.)
Exact Mass309.99100
PSA99.72000
LogP2.44690
StabilityStable. Incompatible with strong oxidizing agents.

Customs & Trade Information

HS Code2914399090
Summary2914399090. other aromatic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of Sodium anthraquinone-2-sulfonate?

The CAS number of Sodium anthraquinone-2-sulfonate is 131-08-8.

What are the molecular formula and molecular weight of Sodium anthraquinone-2-sulfonate?

Sodium anthraquinone-2-sulfonate has molecular formula C14H7NaO5S and molecular weight 310.25700 g/mol.

What are the upstream and downstream products of Sodium anthraquinone-2-sulfonate?

For Sodium anthraquinone-2-sulfonate, Downstream Products: 2-Anthracenesulfonyl chloride, Alizarin, 9,10-Dioxo-9,10-dihydroanthracene-2-sulfonyl chloride.

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

Last updated:

How to cite: Jingsj. "Sodium anthraquinone-2-sulfonate (CAS 131-08-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993376-8 (accessed 2026-11-06).

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