Superiority:
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.
Details:
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Packing: 10KG/drum or 25KG/drum
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Shelf life: one year after the date of packaging, provided that it is kept in original unopened