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必应染料-您身边的染料专家

Direct Violet 42

Name:C.I.Direct Violet 42,C.I.22450

Molecular Structure: Double azo class

C.I.Direct Violet 42,C.I.22450,CAS 6459-88-7,713.65,C32H21N5Na2O8S2,Blue 04G,Violet B

C.I.Direct Violet 42,C.I.22450,CAS 6459-88-7,713.65,C32H21N5Na2O8S2,Blue 04G,Violet B

Molecular Formula:C32H21N5Na2O8S2

Molecular Weight: 713.65

CAS Registry Number:6459-88-7

Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, And 4-Hydroxynaphthalene-1-sulfonic acid and in acetic acid medium, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid  coupling.

Properties and Applications: purple. Soluble in water for red light purple, soluble in alcohol. In the strong sulfuric acid as dark blue, diluted red for sauce. The dye solution to join strong hydrochloric acid for dark purple; Add thick sodium hydroxide solution for red wine.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 4-5 2 2-3 2-3

List of Suppliers:

Arlindone Blue 04G( Arlabs Ltd )

Oxydiamine Violet B( Carbotex Consultants )


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