dye|World dye variety

Name:C.I.Solubilised Vat Blue 7,C.I.70306

Molecular Structure: Indigo class

C.I.Solubilised Vat Blue 7,C.I.70306,CAS 10126-85-9,752.77,C36H18Na2O8S4,Solvat Blue Green B

Molecular Formula:C₃₆H₁₈Na₂O₈S₄

Molecular Weight: 752.77

CAS Registry Number:10126-85-9

Manufacturing Methods :  (a) in the presence of Pyridine , with Chlorosulfonic acid treatment C.I. Vat Blue 7 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 7. The above two kinds of situation after alkaline, filter out insolubles, remove Pyridine and salting out.

Properties and Applications: deep green light blue.

List of Suppliers:

Solvat Blue Green B( Allied chemical Corporation  )