111Category: | Dyestuffs and Pigments |
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CAS NO: | 4553-89-3 | ||
EC NO: | 224-924-0 | ||
Molecular Formula: | C27H18N4Na2O9S2 | ||
Molecular Weight: | 652.5628 | ||
Specification: | |||
InChI: | InChI=1/C27H20N4O9S2.2Na/c32-14-15-13-22(30-28-20-9-11-23(41(35,36)37)18-7-3-1-5-16(18)20)27(34)25(26(15)33)31-29-21-10-12-24(42(38,39)40)19-8-4-2-6-17(19)21;;/h1-13,28-29,32H,14H2,(H,35,36,37)(H,38,39,40);;/q;2*+1/p-2/b30-22-,31-25+;; | ||
Synonyms: | C.I. 20285;C.I. Food Brown 3;C.I. Food Brown 3, disodium salt;Chocolate brown HT;disodium 4-[(2E)-2-{(5Z)-3-(hydroxymethyl)-2,6-dioxo-5-[(4-sulfonatonaphthalen-1-yl)hydrazono]cyclohex-3-en-1-ylidene}hydrazino]naphthalene-1-sulfonate; | ||
Molecular Structure: |