dye|World dye variety

Name:C.I.Vat Blue 8,C.I.73800

Molecular Structure: Indigo class

C.I.Vat Blue 8,C.I.73800,CAS 6424-71-1,386.23,C20H13Cl2NO3,Indanthren Printing Blue 2G

Molecular Formula:C₂₀H₁₃Cl₂NO₃

Molecular Weight: 386.23

CAS Registry Number:6424-71-1

Manufacturing Methods : 5-chloro-7-methoxy-4-methyl phenol indolenine and 4-Chloronaphthalene-1,2-dione condensation, or 4-Methyl-5-chloro-7-methoxy-3-indolinone and 4-Chloro-1-naphthol condensation (BIOS 983).

Properties and Applications: blue to navy blue. In concentrated sulfuric acid to blue light green; In concentrated nitric acid for blue green to brown light yellow, In the basic insurance powder solution for yellow; In the acidic insurance powder solution for pale yellow.

List of Suppliers:

Indanthren Printing Blue 2G( IG Farbenindustrie AG )