Direct Black 22

• Post Date:

  Apr 26,2025

• Expiry Date:

  Oct 23,2025

• Detailed Description:

  Cas No. :6473-13-8 We're specialized in producing
  acid dyes, direct dyes, liquid
  dyes, salt free dyes, etc.

• CAS Registry Number:

  6473-13-8

• 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 Formula:

  C₄₄H₃₂N₁₃Na₃O₁₁S₃

• Molecular Weight:

  1083.9697

• Molecular Structure:

  

• Safety Description:

  S24/25:Avoid contact with skin and eyes.;
  

• Company:

  jinhua shuanghong chemical co., ltd.     [ China ]          

• Contact:

  Rujie Zhou

• Tel:

  +86-579-82781136-812

• Fax:

  +86-579-82781188

• Email:

  wm02@shuanghongchem.com