2-HYDROXY-11-H-BENZO-CARBAZOLE-3-CARBONYL-P-METHOXY-O-TOLUIDINE; 2-hydroxy-4'-methoxy-2'-methyl-11H-benzo(a)carbazole-3-carboxanilide; Naphthol AS-SR; 2-Hydroxy-N-(4-methylphenyl)-9H-carbazole-3-carboxamide; Naphthol AS-SR (CI 37590); 2-Hydroxy-N-(4-methoxy-2-methylphenyl)- 11H-benzo[a]carbazole-3-carboxamide; Azoic Coupling Component 25; CI 37590

CAS No.: 5840-22-2

Molecular formula: C25H20N2O3

Molecular weight: 396.44

 

Chemical properties Light olive powder. Melting point 306-308 ° C. Do not dissolve in water, soluble in nitrobenzene, pyridine, slightly soluble in butanol. The dye is yellow-brown solution in both sulfuric acid and sodium hydroxide; it does not dissolve in sodium carbonate solution.

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