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Vat Red 20

Name:C.I.Vat Red 20,C.I.67100

Molecular Structure: anthraquinones

C.I.Vat Red 20,C.I.67100,CAS 6371-49-9,486.50,C29H14N2O4S,Indanthren Rubine B

C.I.Vat Red 20,C.I.67100,CAS 6371-49-9,486.50,C29H14N2O4S,Indanthren Rubine B

Molecular Formula:C29H14N2O4S

Molecular Weight: 486.50

CAS Registry Number:6371-49-9

Manufacturing Methods : 2-Amino-3-chloroanthracene-9,10-dione and 1-Nitro-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid condensation, reduction, and then into a sulfhydryl derivatives, and cyclization.

Properties and Applications:  blue light red to red light purple. In the basic insurance powder solution for brown light olive; In the acidic insurance powder solution for orange.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 4-5 5 7 5 4-5 4-5 5

List of Suppliers:

Indanthren Rubine B ( IG Farbenindustrie AG )


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