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16279-54-2 3-hydroxy-4-[(2-hydroxynaphthyl)azo]-7-nitronaphthalene-1-sulphonic acid

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Product Name 3-hydroxy-4-[(2-hydroxynaphthyl)azo]-7-nitronaphthalene-1-sulphonic acid
CAS No. 16279-54-2
Synonyms C.I. Mordant Black 1, free acid; 1-Naphthalenesulfonic acid, 3-hydroxy-4-(2-(2-hydroxy-1-naphthalenyl)diazenyl)-7-nitro-; (4E)-4-[(2-hydroxynaphthalen-1-yl)hydrazono]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonic acid; sodium 7-nitro-4-[(2Z)-2-(2-oxonaphthalen-1(2H)-ylidene)hydrazinyl]naphthalene-1-sulfonate
InChI InChI=1/C20H13N3O6S.Na/c24-18-9-5-12-3-1-2-4-14(12)20(18)22-21-17-8-10-19(30(27,28)29)16-11-13(23(25)26)6-7-15(16)17;/h1-11,21H,(H,27,28,29);/q;+1/p-1/b22-20-;
Molecular Formula C20H12N3NaO6S
Molecular Weight 445.3805