Synonyms:
einecs 279-355-0 ; 2,7-naphthalenedisulfonicacid, 3-hydroxy-4-[(4-methyl-2-sulfophenyl)azo]-, calcium salt (1:1) (9ci) ; calcium hydrogen 3-hydroxy-4-[(4-methyl-2-sulphonatophenyl)azo]naphthalene-2,7-disulphonate ; calcium hydrogen 3-hydroxy-4-[(4-methyl-2-sulfonatophenyl)azo]naphthalene-2,7-disulfonate ; 2,7-naphthalenedisulfonicacid, 3-hydroxy-4-[2-(4-methyl-2-sulfophenyl)diazenyl]-, calcium salt (1:1)