6-[(2-Hydroxy-1-naphthalenyl)azo]-2-naphthalenesulfonic acid, calcium salt (2:1) is a chemical compound registered under CAS number 73612-32-5, with the molecular formula C20H14 N2 O4 S . 1/2 Ca and a molecular weight of about 794.86 g/mol. It is also known as 2-Naphthalenesulfonicacid, 6-[(2-hydroxy-1-naphthalenyl)azo]-, calcium salt (2:1) (9CI). FireTardant supplies 6-[(2-Hydroxy-1-naphthalenyl)azo]-2-naphthalenesulfonic acid, calcium salt (2:1) for laboratory research and bulk production; product code 1404239. Send an inquiry for purity, packaging, price and lead time.