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Vat Blue 8

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

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.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4-5 4 5-6 4 4

List of Suppliers:

Indanthren Printing Blue 2G( IG Farbenindustrie AG )


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