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Direct Violet 26

Name:C.I.Direct Violet 26,C.I.27860

Molecular Structure: Double azo class

C.I.Direct Violet 26,C.I.27860,CAS 6227-11-8,827.75,C34H24N5Na3O10S3,Scarlet IB,Brilliant Violet R

C.I.Direct Violet 26,C.I.27860,CAS 6227-11-8,827.75,C34H24N5Na3O10S3,Scarlet IB,Brilliant Violet R

Molecular Formula:C34H24N5Na3O10S3

Molecular Weight: 827.75

CAS Registry Number:6227-11-8

Manufacturing Methods :  3-Aminonaphthalene-1,5-disulfonic acid diazo, and 2,5-Dimethylbenzenamine coupling, its product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.

Properties and Applications: bright purple. Soluble in water for red light purple, and adequate soluble in alcohol for product red to blue light purple. The strong sulfuric acid for Tracy in blue. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add sodium hydroxide solution have strong purplish red precipitate.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 4 2 1-2 1-2

List of Suppliers:

Arlindone Scarlet IB (ARL)

Diazol Brilliant Violet R( Francolor Pigments SA )


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