Sodium 2-diazo-1-naphthol-5-sulfonate

2-重氮-1-萘酚-5-磺酸钠

Also known as: Sodium 1,2-naphthoquinone-2-diazido-5-sulfonate, Sodium 1,2-naphthoquinone-2-diazide-5-sulfonate, 1,2-Naphthoquinone-2-diazido-5-sulfonic acid sodium salt, 2-Diazo-1-naphthol-5-sulfonic acid sodium salt, 6-Diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonic acid sodium salt, Sodium 6-diazo-5,6-dihydro-5-oxo-1-naphthalenesulfonate, Sodium 2-diazo-1-oxo-1,2-dihydronaphthalene-5-sulfonate, Sodium 1-oxo-2-diazonaphthoquinone-5-sulfonate, 2-Diazo-1-naphthoquinone-5-sulfonic acid sodium salt, Diazosalt, DIAZO 10, NA-125, [Research for Photosensitive Material]

Sodium 2-diazo-1-naphthol-5-sulfonate (CAS 2657-00-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H5N2NaO4S and a molecular weight of 272.21200 g/mol. It is also known as Sodium 1,2-naphthoquinone-2-diazido-5-sulfonate, Sodium 1,2-naphthoquinone-2-diazide-5-sulfonate and 1,2-Naphthoquinone-2-diazido-5-sulfonic acid sodium salt. Key properties include a melting point of -114°C, a boiling point of 78°C, a density of 0.79 and a flash point of 12°C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

2657-00-3

Jingsj CID

J-12342-2

Molecular Formula

C₁₀H₅N₂NaO₄S

Chinese Name

2-重氮-1-萘酚-5-磺酸钠

Molecular Weight

272.21200 g/mol

Category

Organic Acids

Last updated

8/21/2026