2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:2)

Product name:2-Naphthalenesulfonicacid, 6-hydroxy-5-[2-(4-sulfophenyl)diazenyl]-, sodium salt (1:2)
CAS: 2783-94-0
Molecular Formula: C16H12N2O7S2.2Na
Molecular Weight: 452.36
Product description:It s approved the use of food additives in China, by the aminobenzene sulfonic acid, diazotization and 2 - naphthol - 6 - sulfonic acid coupling, the refined. Mainly used for coloring the food and drug, can also be used in the manufacture of aluminum salt lake pigments. Sunset yellow "is limited to the scope of application of pastry