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4-hydroxy-1,3-benzenedisulfonic acid

Also known as: phenoldisulfonic acid, phenol-2,4-disulfonic acid, 2,4-disulfophenol, 1-hydroxy-2,4-disulfobenzene, 1,3-benzenedisulfonic acid, 4-hydroxy-, 4-hydroxybenzene-1,3-disulfonic acid, 4-hydroxy-m-benzenedisulfonic acid

4-hydroxy-1,3-benzenedisulfonic acid (CAS 96-77-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H6O7S2 and a molecular weight of 254.23800 g/mol. Key property: a density of 1.905g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
96-77-5
Jingsj CID
J-11706-6
Molecular Formula
C6H6O7S2
Molecular Weight
254.23800 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Density1.905g/cm3
Exact Mass253.95500
PSA145.73000
LogP2.04720
Refractive Index1.655
Storage Conditions2-8°C

Customs & Trade Information

HS Code2908999090
Summary2908999090 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 4-hydroxy-1,3-benzenedisulfonic acid?

The CAS number of 4-hydroxy-1,3-benzenedisulfonic acid is 96-77-5.

What are the molecular formula and molecular weight of 4-hydroxy-1,3-benzenedisulfonic acid?

4-hydroxy-1,3-benzenedisulfonic acid has molecular formula C6H6O7S2 and molecular weight 254.23800 g/mol.

What are the upstream and downstream products of 4-hydroxy-1,3-benzenedisulfonic acid?

For 4-hydroxy-1,3-benzenedisulfonic acid, Upstream Products: Phenol, 4-Hydroxybenzenesulfonic acid, Sulfur trioxide; Downstream Products: Catechol, protocatechuic acid, 4-Hydroxybenzenesulfonic acid.

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

Last updated:

How to cite: Jingsj. "4-hydroxy-1,3-benzenedisulfonic acid (CAS 96-77-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11706-6 (accessed 2026-11-09).

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