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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 Struktur
6537-70-8
CAS-Nr.
6537-70-8
Englisch Name:
5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt
Synonyma:
C.I.73046;Solubilised Vat Blue 2;C.I.Solubilised Vat Blue 2;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
CBNumber:
CB22412683
Summenformel:
C16H9Br2Cl2N2NaO8S2
Molgewicht:
675.07
MOL-Datei:
6537-70-8.mol

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

Sicherheit

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

synthetische

(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 Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


5,5'-Dibromo-4,4'-dichloro-2,2'-bi[1H-indole]-3,3'-diol bis(sulfuric acid sodium) salt Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

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