108569-87-5 12237-56-8 12238-28-7 2-Naphthalenecarboxylic acid, 4-((5-chloro-4-methyl-2-sulfophenyl)azo)-3-hydroxy-, calcium salt (1:1) 29092-57-7 29754-80-1 39362-57-7 4-((5-Chloro-2-sulfo-p-tolyl)azo)-3-hydroxy-2-naphthalenecarboxylicacid, calcium salt (1:1) 7023-61-2 78170-94-2 C.I. Pigment Red 48, calcium salt C.I. Pigment Red 48, calcium salt (1:1) Calcium 4-((5-chloro-4-methyl-2-sulphonatophenyl)azo)-3-hydroxy-2-naphthoate EINECS 230-303-5