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Red No.219
Legal color: | Red No.219 | General name: | Brilliant Lake Red R | Class: | | FDA : | D & C Red No.31 | CI #: | C.I. 15800 | Color #: | Pig. Red 64 | CAS #: | 16508-79-5 | CAS : | 2-Naphthalenecarboxylic acid,3-hydroxy-4-(phenylazo)-,barium salt(2:1) | IUPAC: | →1;Calcium bis(3-hydroxy-4-phenylazo-2-naphthalenecarboxylate) →2;3-Hydroxy-4-phenylazo-2-naphthalenecarboxylic acid calcium salt (2:1)
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