2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[2-[4-[[[[5-hydroxy-7-sulfo-6-[2-[2-sulfo-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-2-naphthalenyl]amino]carbonyl]amino]-5-methoxy-2-methylphenyl]diazenyl]-, sodium salt (1:5)

4-羟基-5-[[4-[[[[5-羟基-7-磺基-6-[[2-磺基-4-[(4-磺基苯基)偶氮]苯基]偶氮]-2-萘基]氨基]羰基]氨基]-5-甲氧基-2-甲基苯基]偶氮]-2,7-萘二磺酸五钠盐

Also known as: 2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[[4-[[[[5-hydroxy-7-sulfo-6-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-2-naphthalenyl]amino]carbonyl]amino]-5-methoxy-2-methylphenyl]azo]-, pentasodium salt, 4-Hydroxy-5-[[4-[[[[3-[[4-[(4-sulfophenyl)azo]-2-sulfophenyl]azo]-4-hydroxy-2-sulfo-7-naphthalenyl]amino]carbonyl]amino]-5-methoxy-2-methylphenyl]azo]-2,7-naphthalenedisulfonic acid, pentasodium salt, 2,7-Naphthalenedisulfonicacid,4-hydroxy-5-[2-[4-[[[[5-hydroxy-7-sulfo-6-[2-[2-sulfo-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-2-naphthalenyl]amino]carbonyl]amino]-5-methoxy-2-methylphenyl]diazenyl]-,sodium salt (1:5), pentasodium 4-hydroxy-5-[[4-[[[[5-hydroxy-7-sulphonato-6-[[2-sulphonato-4-[(4-sulphonatophenyl)azo]phenyl]azo]-2-naphthyl]amino]carbonyl]amino]-5-methoxy-o-tolyl]azo]naphthalene-2,7-disulphonate, pentasodium,4-hydroxy-5-[[5-methoxy-2-methyl-4-[[(6E)-5-oxo-7-sulfonato-6-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalen-2-yl]carbamoylamino]phenyl]diazenyl]naphthalene-2,7-disulfonate

2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[2-[4-[[[[5-hydroxy-7-sulfo-6-[2-[2-sulfo-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-2-naphthalenyl]amino]carbonyl]amino]-5-methoxy-2-methylphenyl]diazenyl]-, sodium salt (1:5) (CAS 72987-21-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C41H27N8Na5O19S5 and a molecular weight of 1210.97000 g/mol. It is also known as 2,7-Naphthalenedisulfonic acid, 4-hydroxy-5-[[4-[[[[5-hydroxy-7-sulfo-6-[[2-sulfo-4-[(4-sulfophenyl)azo]phenyl]azo]-2-naphthalenyl]amino]carbonyl]amino]-5-methoxy-2-methylphenyl]azo]-, pentasodium salt, 4-Hydroxy-5-[[4-[[[[3-[[4-[(4-sulfophenyl)azo]-2-sulfophenyl]azo]-4-hydroxy-2-sulfo-7-naphthalenyl]amino]carbonyl]amino]-5-methoxy-2-methylphenyl]azo]-2,7-naphthalenedisulfonic acid, pentasodium salt and 2,7-Naphthalenedisulfonicacid,4-hydroxy-5-[2-[4-[[[[5-hydroxy-7-sulfo-6-[2-[2-sulfo-4-[2-(4-sulfophenyl)diazenyl]phenyl]diazenyl]-2-naphthalenyl]amino]carbonyl]amino]-5-methoxy-2-methylphenyl]diazenyl]-,sodium salt (1:5). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

72987-21-4

Jingsj CID

J-1088151-4

Molecular Formula

C₄₁H₂₇N₈Na₅O₁₉S₅

Chinese Name

4-羟基-5-[[4-[[[[5-羟基-7-磺基-6-[[2-磺基-4-[(4-磺基苯基)偶氮]苯基]偶氮]-2-萘基]氨基]羰基]氨基]-5-甲氧基-2-甲基苯基]偶氮]-2,7-萘二磺酸五钠盐

Molecular Weight

1210.97000 g/mol

Category

Organic Acids

Last updated

8/21/2026