Disodium 8-hydroxynaphthalene-1,6-disulfonate

Also known as: 1-Naphthol-3,8-disulfonic acid disodium salt, 1,6-Naphthalenedisulfonic acid, 8-hydroxy-, disodium salt, Disodium 8-hydroxy-1,6-naphthalenedisulfonate, disodium 8-hydroxynaphthalene-1,6-disulphonate, Sodium 8-hydroxynaphthalene-1,6-disulfonate (1:2), EINECS 280-631-8, Einecs 280-631-8

Disodium 8-hydroxynaphthalene-1,6-disulfonate (CAS 83732-80-3) 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 348.260 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 83732-80-3
Jingsj CID: J-1345232-0
Molecular Formula: C₁₀H₆Na₂O₇S₂
Molecular Weight: 348.260 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	347.935028
PSA	151.39000
LogP	2.51520

Customs & Trade Information

HS Code	2908999090
Summary	2908999090 halogenated, sulphonated, nitrated or nitrosated derivatives of phenols or phenol-alcohols。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 Disodium 8-hydroxynaphthalene-1,6-disulfonate?

The CAS number of Disodium 8-hydroxynaphthalene-1,6-disulfonate is 83732-80-3.

What are the molecular formula and molecular weight of Disodium 8-hydroxynaphthalene-1,6-disulfonate?

Disodium 8-hydroxynaphthalene-1,6-disulfonate has molecular formula C10H6Na2O7S2 and molecular weight 348.260 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. "Disodium 8-hydroxynaphthalene-1,6-disulfonate (CAS 83732-80-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1345232-0 (accessed 2026-11-06).

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