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Vat Red 42

Name:C.I.Vat Red 42,C.I.61650

Molecular Structure: anthraquinones

C.I.Vat Red 42,C.I.61650,CAS 2987-68-0,446.45,C28H18N2O4,Algol Red 5G

C.I.Vat Red 42,C.I.61650,CAS 2987-68-0,446.45,C28H18N2O4,Algol Red 5G

Molecular Formula:C28H18N2O4

Molecular Weight: 446.45

CAS Registry Number:2987-68-0

Manufacturing Methods : (a) 1,4-Diaminoanthraquinone and Benzoyl chloride condensation; (b) 1, 4 – Dichloroanthraquinone and Benzamide (2 Moore) condensation.

Properties and Applications:  yellow red. Dark red powder. Soluble in 1, 2, 3, 4 – Tetrahydronaphthalene and Xylene. In concentrated sulfuric acid for red, dilution after magenta precipitation; Alkaline reduction leuco for dark red light purple; Acid reduction leuco for yellow brown. This product is light brittle dye, with photosensitivity. Mainly used in color matching, dyeing cotton shoulds not be direct sunlight, or color shallow. Can be used for paper dyeing.

Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping
Fading Stain
ISO 3-4 5 7 5 4 3-4 4

List of Suppliers:

Algol Red 5G( Bayer Group )


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