Acid Yellow 199

CAS NO:70865-20-2

EC NO:274-950-1

Molecular Formula:C₁₉H₁₅N₄NaO₆S

Molecular Weight:450.4004

Synonyms:Benzenesulfonic acid, 4-((4-(2-(4-hydroxy-2-methylphenyl)diazenyl)phenyl)amino)-3-nitro-, sodium salt (1:1);4-((4-((4-Hydroxy-2-methylphenyl)azo)phenyl)amino)-3-nitrobenzenesulfonic acid, sodium salt;Benzenesulfonic acid, 4-((4-((4-hydroxy-2-methylphenyl)azo)phenyl)amino)-3-nitro-, monosodium salt;Sodium 4-((4-((4-hydroxy-2-methylphenyl)azo)phenyl)amino)-3-nitrobenzenesulphonate;sodium 4-({4-[(2E)-2-(2-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]phenyl}amino)-3-nitrobenzenesulfonate;sodium 4-[[4-(4-hydroxy-2-methyl-phenyl)azophenyl]amino]-3-nitro-benzenesulfonate;

Molecular Structure: