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7538-59-2 pigment red 58:2

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Product Name Pigment Red 58:2
CAS No. 7538-59-2
Synonyms 15825:2; C.I.PigmentRed58:2; 4-[(4-Chloro-3-sulfophenyl)azo]-3-hydroxy-2-Naphthalenecarboxylic acid, calcium salt(1:1); calcium (4E)-4-[2-(4-chloro-3-sulfonatophenyl)hydrazinylidene]-3-oxo-3,4-dihydronaphthalene-2-carboxylate
InChI InChI=1/C17H11ClN2O6S.Ca/c18-13-6-5-10(8-14(13)27(24,25)26)19-20-15-11-4-2-1-3-9(11)7-12(16(15)21)17(22)23;/h1-8,19H,(H,22,23)(H,24,25,26);/q;+2/p-2/b20-15+;
Molecular Formula C17H9CaClN2O6S
Molecular Weight 444.8592