5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt

5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt Structure
5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt
  • CAS No.6537-70-8
  • Chemical Name:5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt
  • CBNumber:CB22412683
  • Molecular Formula:C16H9Br2Cl2N2NaO8S2
  • Formula Weight:675.07
  • MOL File:6537-70-8.mol
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal word
  • Hazard statements
  • Precautionary statements

5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt Chemical Properties,Usage,Production

  • Preparation (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 2 leuco; (b) in the Pyridine with metal (such as copper, iron, zinc, etc) and Sulfur trioxide source (such as Sulfur trioxide, Chlorosulfonic acid or Methyl chlorosulfonate, etc.) processing C.I. Vat Blue 2. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.
  • Properties and Applications green light blue. Soluble in water
    Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
    Fading Stain
    ISO 4-5 3 3-4 3 2-3
5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt Preparation Products And Raw materials
Raw materials
Preparation Products
5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt Suppliers
Global(0)Suppliers
5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt Spectrum
6537-70-8, 5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) saltRelated Search:
  • 6537-70-8
  • Solubilised Vat Blue 2
  • C.I.Solubilised Vat Blue 2:C.I.73046
  • C.I.Solubilised Vat Blue 2
  • C.I.73046
  • 5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt

Home

My