4-Hydroxy-3-nitroso-1-naphthalenesulfonic acid hydrate

4-羟基-3-亚硝基-1-萘磺酸水合物

Also known as: 2-Nitroso-1-naphthol-4-sulfonic acid, 2-Nitroso-1-naphthol-4-sulfonic acid hydrate, 2-Nitroso-1-naphthol-4-sulfonic acid tetrahydrate, 2-NITROSO-1-NAPHTHOL-4-SULPHONIC ACID TETRAHYDRATE, 4-Hydroxy-3-nitroso-1-naphthalenesulfonic acid, 4-Hydroxy-3-nitroso-1-naphthalenesulfonic acid tetrahydrate, 4-hydroxy-3-nitrosonaphthalene-1-sulfonic acid, 4-hydroxy-3-nitrosonaphthalene-1-sulphonic acid, Nitroso-NW acid, 3-Nitroso-NW acid

4-Hydroxy-3-nitroso-1-naphthalenesulfonic acid hydrate (CAS 3682-32-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H7NO5S and a molecular weight of 253.23100 g/mol. It is also known as 2-Nitroso-1-naphthol-4-sulfonic acid, 2-Nitroso-1-naphthol-4-sulfonic acid hydrate and 2-Nitroso-1-naphthol-4-sulfonic acid tetrahydrate. Key property: a melting point of 140-145 °C (dec.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3682-32-4

Jingsj CID

J-3091-3

Molecular Formula

C₁₀H₇NO₅S

Chinese Name

4-羟基-3-亚硝基-1-萘磺酸水合物

Molecular Weight

253.23100 g/mol

Category

Organic Acids

Last updated

8/21/2026