C.I.DIRECT BLACK 22 6473-13-8, China C.I.DIRECT BLACK 22 6473-13-8 Manufacturers, China C.I.DIRECT BLACK 22 6473-13-8 Suppliers

C.I.DIRECT BLACK 22

Category :

EC NO : 229-326-3

Molecular Formula : C₄₄H₃₂N₁₃Na₃O₁₁S₃

Main Specifications :

Synonyms : C.I. Direct Black 22;2-Naphthalenesulfonic acid, 6-(2-(2,4-diaminophenyl)diazenyl)-3-(2-(4-((4-(2-(7-(2-(2,4-diaminophenyl)diazenyl)-1-hydroxy-3-sulfo-2-naphthalenyl)diazenyl)phenyl)amino)-3-sulfophenyl)diazenyl)-4-hydroxy-, sodium salt (1:3);C.I. 35435;Direct Black 22;trisodium 6-[(E)-(2,4-diaminophenyl)diazenyl]-3-{(E)-[4-({4-[(E)-{7-[(E)-(2,4-diaminophenyl)diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl}diazenyl]phenyl}amino)-3-sulfonatophenyl]diazenyl}-4-hydroxynaphthalene-2-sulfonate;

Molecular Structure:

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