2-Diazo-1-naphthol-4-sulfonic acid sodium salt

2-重氮-1-萘酚-4-磺酸钠

Also known as: 1,2-Naphthoquinone-2-diazido-4-sulfonic acid sodium salt, 3-Diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonic acid sodium salt, 2,1,4 Diazo Salt, NAS-4, Sodium 3-diazonio-4-oxido-1-naphthalenesulfonate, NSD sodium salt monohydrate, Diazo-2,1,4-sulfonic acid sodium salt, MFCD02091674, EINECS 264-719-3, 1,2-Naphthochinondiazid-(2)-4-sulfonsaeure Natriumsalz

2-Diazo-1-naphthol-4-sulfonic acid sodium salt (CAS 64173-96-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H7N2NaO5S and a molecular weight of 290.22800 g/mol. It is also known as 1,2-Naphthoquinone-2-diazido-4-sulfonic acid sodium salt, 3-Diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonic acid sodium salt and 2,1,4 Diazo Salt. Key properties include a melting point of 886 °C(lit.), a boiling point of 1470 °C and a density of 9.53. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

64173-96-2

Jingsj CID

J-9157-2

Molecular Formula

C₁₀H₇N₂NaO₅S

Chinese Name

2-重氮-1-萘酚-4-磺酸钠

Molecular Weight

290.22800 g/mol

Category

Organic Acids

Last updated

8/21/2026