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Direct Blue 116

Name:C.I.Direct Blue 116,C.I.27980

Molecular Structure: Double azo class

C.I.Direct Blue 116,C.I.27980,CAS 6227-23-2,801.69,C33H26N5Na3O11S2,Sirius Violet 3B

C.I.Direct Blue 116,C.I.27980,CAS 6227-23-2,801.69,C33H26N5Na3O11S2,Sirius Violet 3B

Molecular Formula:C33H26N5Na3O11S2

Molecular Weight: 801.69

CAS Registry Number:6227-23-2

Manufacturing Methods : 2-Amino-3,5-dimethylbenzenesulfonic acid diazo, and 2-Amino-4-methylanisole coupling, product to diazo, and 6-(3-Carboxy-4-hydroxyanilino)-1-naphthol-3-sulfonic acid coupling.

Properties and Applications:  red light blue. For the red light purple is soluble in water, soluble in alcohol. The strong sulfuric acid for blue-ray green, diluted to blue. The dye solution to join strong hydrochloric acid have precipitation of dark; Add thick sodium hydroxide solution has the purple precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 3 4-5 4 1-2 2

List of Suppliers:

Sirius Violet 3B( Bayer Group )


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