Acid BLACK 172
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- Category :
Dyestuffs and Pigments
- CAS NO : 57693-14-8
- EC NO : 260-906-9
- Molecular Formula : C40H30CrN6Na3O14S2
- Main Specifications :
- Synonyms : C.I. 15711:1;C.I. Acid Black 172;Acid Black 172;chromium(3+) sodium 7-nitro-3-oxido-4-[(2-oxidonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate (1:3:2);trisodium bis[3-(hydroxy-kappaO)-4-{(Z)-[2-(hydroxy-kappaO)-5,8-dihydronaphthalen-1-yl]diazenyl}-8-nitro-5,8-dihydronaphthalene-1-sulfonato(2-)]chromate(3-);
Molecular Structure:
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