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- Details for DIRECT BLACK 9
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DIRECT BLACK 9 8003-62-1
Category : Dyestuffs and Pigments/Direct Dyes
CAS NO : 8003-62-1 EC NO : 232-321-9 MF : C32H23N9Na2O7S2 MW : 755.6907 Synonyms : C.I. 31565;C.I. 31560;C.I. Direct Black 9 (VAN) (8CI);C.I. Direct Black 9disodium 8-amino-5-[(E)-{4-[(2Z)-2-{7-[(E)-(2,4-diaminophenyl)diazenyl]-1-oxo-3-sulfonatonaphthalen-2(1H)-ylidene}hydrazinyl]phenyl}diazenyl]naphthalene-2-sulfonate; Molecular Structure : 
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DIRECT BLACK 9