dye|World dye variety

Name:C.I.Solubilised Vat Red 34,C.I.70331

Molecular Structure: anthraquinones

C.I.Solubilised Vat Red 34,C.I.70331,CAS 12226-70-9,Indigosol Rubine IRB

Molecular Formula:

Molecular Weight:

CAS Registry Number:12226-70-9

Manufacturing Methods :  (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Red 34 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 Red 34. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.

Properties and Applications: blue light red.

List of Suppliers:

Indigosol Rubine IRB( Durand & Huguenin SA )