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C.I. reactive black 5 12225-25-1
Category : Dyestuffs and Pigments
CAS NO : 12225-25-1 EC NO : 241-164-5 MF : C26H21N5Na4O19S6 MW : 991.8161 Synonyms : Black KN-B;tetrasodium (3E)-5-amino-4-oxo-6-[(E)-(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]-3-[2-(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)hydrazinylidene]-3,4-dihydronaphthalene-2,7-disulfonate;tetrasodium 4-amino-5-hydroxy-3,6-bis[(E)-(4-{[2-(sulfonatooxy)ethyl]sulfonyl}phenyl)diazenyl]naphthalene-2,7-disulfonate;C.I.Reactive Black 5;Reactive Black KN-B;C.I. 20505;C.I. Reactive Black 5;Remazol black B;2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3,6-bis[[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]azo]-, tetrasodium salt;tetrasodium 4-amino-5-hydroxy-3,6-bis[[4-(2-sulfonatooxyethylsulfonyl)phenyl]azo]naphthalene-2,7-disulfonate; Molecular Structure : 
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C.I. reactive black 5