disodium 7-hydroxynaphthalene-1,3-disulfonate

7-羟基-1,3-萘二磺酸二钠

Also known as: 1,3-Naphthalenedisulfonic acid, 7-hydroxy-, disodium salt, 2-Naphthol-6,8-disulfonic acid disodium salt, 7-Hydroxy-1,3-naphthalenedisulfonic acid disodium salt, Disodium 7-hydroxy-1,3-naphthalenedisulfonate, Disodium 7-hydroxynaphthalene-1,3-disulphonate, disodium 7-hydroxynaphthalene-1,3-disulfonate, EINECS 212-674-5, Ponceau 4R Impurity 2, G acid disodium salt

disodium 7-hydroxynaphthalene-1,3-disulfonate (CAS 842-19-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H6Na2O7S2 and a molecular weight of 348.26000 g/mol. It is also known as 1,3-Naphthalenedisulfonic acid, 7-hydroxy-, disodium salt, 2-Naphthol-6,8-disulfonic acid disodium salt and 7-Hydroxy-1,3-naphthalenedisulfonic acid disodium salt. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
842-19-3
Jingsj CID
J-944870-2
Molecular Formula
C10H6Na2O7S2
Chinese Name
7-羟基-1,3-萘二磺酸二钠
Molecular Weight
348.26000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of disodium 7-hydroxynaphthalene-1,3-disulfonate?

The CAS number of disodium 7-hydroxynaphthalene-1,3-disulfonate is 842-19-3.

What are the molecular formula and molecular weight of disodium 7-hydroxynaphthalene-1,3-disulfonate?

disodium 7-hydroxynaphthalene-1,3-disulfonate has molecular formula C10H6Na2O7S2 and molecular weight 348.26000 g/mol.

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

Last updated:

How to cite: Jingsj. "disodium 7-hydroxynaphthalene-1,3-disulfonate (CAS 842-19-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-944870-2 (accessed 2026-10-23).

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