Reactive Black 5

product Name Reactive Black 5 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 Formula C26H21N5Na4O19S6 Molecular Weight 991.8161 InChI InChI=1/C26H25N5O19S6.4Na/c27-23-22-15(13-20(53(37,38)39)24(23)30-28-16-1-5-18(6-2-16)51(33,34)11-9-49-55(43,44)45)14-21(54(40,41)42)25(26(22)32)31-29-17-3-7-19(8-4-17)52(35,36)12-10-50-56(46,47)48;;;;/h1-8,13-14,32H,9-12,27H2,(H,37,38,39)(H,40,41,42)(H,43,44,45)(H,46,47,48);;;;/q;4*+1/p-4/b30-28+,31-29+;;;; CAS Registry Number 12225-25-1;17095-24-8 EINECS 241-164-5 Molecular Structure Melting point 300℃

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