4-[(4-ethoxy-2-sulphophenyl)azo]-3-hydroxynaphthalene-2,7-disulphonic acid, calcium salt is a chemical compound registered under CAS number 84696-59-3, with the molecular formula C36H26Ca3N4O22S6 and a molecular weight of about 1179.23 g/mol. It is also known as 4-[(4-Ethoxy-2-sulfophenyl)azo]-3-hydroxy-2,7-naphthalenedisulfonic acid/calcium,(1:x) salt; Einecs 283-664-6. ReagentForLab supplies 4-[(4-ethoxy-2-sulphophenyl)azo]-3-hydroxynaphthalene-2,7-disulphonic acid, calcium salt for laboratory research and bulk production; product code 733861. Send an inquiry for purity, packaging, price and lead time.