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Sodium anthraquinone-1-sulfonate

Also known as: 1-Anthraquinonesulfonic acid sodium salt, Sodium 9,10-dioxo-9,10-dihydroanthracene-1-sulfonate, 1-Anthracenesulfonic acid, 9,10-dihydro-9,10-dioxo-, sodium salt (1:1), Anthraquinone-1-sulfonic acid sodium salt, Gold salt, Sodium anthraquinone-alpha-sulfonate, Sodium 1-anthraquinonesulfonate

Sodium anthraquinone-1-sulfonate (CAS 128-56-3) 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 310.257 g/mol. Key properties include a melting point of 0ºC ( 32.00ºCF) and a density of 1.585g/cm3. It is listed by 1 supplier, from 3.60 to 7.60 CNY. Record last updated Aug 21, 2026.

CAS No.
128-56-3
Jingsj CID
J-35284-2
Molecular Formula
C14H7NaO5S
Molecular Weight
310.257 g/mol
Category
Organic Acids
Last updated
8/21/2026
In Stock

Supplier Offers

1Request a quote
Filter:
SupplierPurity / PackBase PriceUnit PriceOrigin
In Stock
99%
250g
¥900.00
$0.54 /gBest
¥3.60/g CNY
CN China
MOQ 250g
In Stock
99%
25g
¥190.00
$1.14 /g
¥7.60/g CNY
CN China
MOQ 25g

Physicochemical Properties

Melting Point0ºC ( 32.00ºCF)
Density1.585g/cm3
Exact Mass309.991180
PSA99.72000
LogP2.44690
Additional PropertyMODERATELY SOLUBLE

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-1-sulfonate?

The CAS number of Sodium anthraquinone-1-sulfonate is 128-56-3.

What are the molecular formula and molecular weight of Sodium anthraquinone-1-sulfonate?

Sodium anthraquinone-1-sulfonate has molecular formula C14H7NaO5S and molecular weight 310.257 g/mol.

Which suppliers offer Sodium anthraquinone-1-sulfonate?

1 supplier(s) listed; reference unit price ¥3.60–7.60 /g.

What are the upstream and downstream products of Sodium anthraquinone-1-sulfonate?

For Sodium anthraquinone-1-sulfonate, Downstream Products: 1-Nitroanthraquinone-5-sulfonic acid sodium salt, 1-Amino-5-chloroanthraquinone.

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-1-sulfonate (CAS 128-56-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35284-2 (accessed 2026-11-06).

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