2-Naphthalenesulfonic acid, 6-amino-5-[[3-[(ethylphenylamino)sulfonyl]-4-methylphenyl]azo]-4-hydroxy-, monosodium salt

6-氨基-5-[[3-[(乙基苯基氨基)磺酰基]-4-甲基苯基]偶氮]-4-羟基-2-萘磺酸钠

Also known as: 6-Amino-5-[[3-[(ethylphenylamino)sulfonyl]-4-methylphenyl]azo]-4-hydroxy-2-naphthalenesulfonic acid sodium salt, Benzenesulfonamide, 5-[[(2-amino-8-hydroxy-6-sulfo)naphthalene-1-yl]azo]-N-ethyl-2-methyl-N-phenyl-, sodium salt, sodium 6-amino-5-[[3-[(ethylphenylamino)sulfonyl]-4-methylphenyl]azo]-4-hydroxynaphthalene-2-sulfonate, sodium 5-[2-[3-[ethyl(phenyl)sulfamoyl]-4-methylphenyl]hydrazinyl]-6-imino-4-oxonaphthalene-2-sulfonate

2-Naphthalenesulfonic acid, 6-amino-5-[[3-[(ethylphenylamino)sulfonyl]-4-methylphenyl]azo]-4-hydroxy-, monosodium salt (CAS 71278-42-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C25H23N4NaO6S2 and a molecular weight of 562.59300 g/mol. It is also known as 6-Amino-5-[[3-[(ethylphenylamino)sulfonyl]-4-methylphenyl]azo]-4-hydroxy-2-naphthalenesulfonic acid sodium salt, Benzenesulfonamide, 5-[[(2-amino-8-hydroxy-6-sulfo)naphthalene-1-yl]azo]-N-ethyl-2-methyl-N-phenyl-, sodium salt and sodium 6-amino-5-[[3-[(ethylphenylamino)sulfonyl]-4-methylphenyl]azo]-4-hydroxynaphthalene-2-sulfonate. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

71278-42-7

Jingsj CID

J-1167307-5

Molecular Formula

C₂₅H₂₃N₄NaO₆S₂

Chinese Name

6-氨基-5-[[3-[(乙基苯基氨基)磺酰基]-4-甲基苯基]偶氮]-4-羟基-2-萘磺酸钠

Molecular Weight

562.59300 g/mol

Category

Organic Acids

Last updated

8/21/2026