Direct Scarlet Red 4BE, Congo Red

• Post Date:

  Aug 19,2015

• Expiry Date:

  Aug 18,2016

• Detailed Description:

  Cas No. :573-58-0 Quantity: 50000Kilograms
  Price:4 USD Kilograms
  Payment Method: TT/LC
  Direct Red 28 (Direct Congo Red 4B):
  1) CAS no.: 573-58-0
  2) Appearance: red powder
  3) Light fastness: 3
  4) Acid resistance: 3-4
  5) Alkali resistance: 3-4
  6) Water fastness: 2
  7) Wash fastness: 2
  8) Used for: cotton, silk, paper

• CAS Registry Number:

  573-58-0

• Synonyms:

  C.I. 22120;C.I. Direct Red 28;C.I. Direct Red 28, disodium salt;C.I. Direct Red 28, disodium salt (8CI);Congo red;Direct Red 28;Congo red (0.1% in water)[for titration];Congo red (0.1% in water);Direct Scarlet 4B;disodium 3,3'-[biphenyl-4,4'-diyldi(E)diazene-2,1-diyl]bis(4-aminonaphthalene-1-sulfonate);disodium 4-amino-3-[4-[4-[(1-amino-4-sulfonato-2-naphthyl)azo]phenyl]phenyl]azo-naphthalene-1-sulfonate;Direct Red 28;

• Molecular Formula:

  C₃₂H₂₂N₆Na₂O₆S₂

• Molecular Weight:

  696.6632

• Molecular Structure:

  

• Hazard Symbols:

   T:Toxic;
  

• Risk Codes:

  R45:;
  R63:;
  

• Safety Description:

  S45:;
  S53:;
  

• Company:

  Hebei Caiyi Imp&Exp Trade Co.,Ltd.         

• Contact:

  Dane Zhang

• Tel:

  0311-85326787

• Fax:

  -

• Email:

  179578565@qq.com