[2,2'-Bi-1H-indole]-3,3'-diol, 5-bromo-, bis(hydrogen sulfate) (ester), disodium salt

Product Name
[2,2'-Bi-1H-indole]-3,3'-diol, 5-bromo-, bis(hydrogen sulfate) (ester), disodium salt
CAS No.
5156-38-7
Chemical Name
[2,2'-Bi-1H-indole]-3,3'-diol, 5-bromo-, bis(hydrogen sulfate) (ester), disodium salt
Synonyms
Solubilised Vat Blue 3;C.I.Solubilised Vat Blue 3:C.I.73056;[2,2'-Bi-1H-indole]-3,3'-diol, 5-bromo-, bis(hydrogen sulfate) (ester), disodium salt
CBNumber
CB04745929
Molecular Formula
C32H22Br2N4Na2O16S4
Formula Weight
1052.58182
MOL File
5156-38-7.mol
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Hazard and Precautionary Statements (GHS)

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[2,2'-Bi-1H-indole]-3,3'-diol, 5-bromo-, bis(hydrogen sulfate) (ester), disodium salt Chemical Properties,Usage,Production

Preparation

(a) in the presence of ?Pyridine?, with Chlorosulfonic acid treatment C.I. Vat Blue 3 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 3. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.

Properties and Applications

red light blue. Soluble in water is blue.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4 3 3-4 4 3-4

[2,2'-Bi-1H-indole]-3,3'-diol, 5-bromo-, bis(hydrogen sulfate) (ester), disodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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[2,2'-Bi-1H-indole]-3,3'-diol, 5-bromo-, bis(hydrogen sulfate) (ester), disodium salt Suppliers

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5156-38-7, [2,2'-Bi-1H-indole]-3,3'-diol, 5-bromo-, bis(hydrogen sulfate) (ester), disodium saltRelated Search:

Vat Blue 6, Solubilized [2,2'-Bibenzo[4,5]phenaleno[1,9-bc]thiophene]-5,5'-diol, bis(hydrogen sulfate), disodium salt Solubilised Vat Blue 41 4,5,5',7,7'-Pentabromo-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt Vat Brown 1, Solubilised disodium 5,5',7,7'-tetrabromo[2,2'-bi-1H-indole]-3,3'-diyl disulphate disodium 5-chloro-2-[4-chloro-1-(sulphonatooxy)-2-naphthyl]-7-methoxy-4-methyl-1H-indol-3-yl sulphate 5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt 5,9,14,18-Anthrazinetetrol, 6,15-dihydro-, tetrakis(hydrogen sulfate) (ester), tetrasodium salt

  • [2,2'-Bi-1H-indole]-3,3'-diol, 5-bromo-, bis(hydrogen sulfate) (ester), disodium salt
  • C.I.Solubilised Vat Blue 3:C.I.73056
  • Solubilised Vat Blue 3
  • 5156-38-7