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Direct Red 130

Name:C.I.Direct Red 130,C.I.28340

Molecular Structure: Double azo class

C.I.Direct Red 130,C.I.28340,CAS 5915-62-8,870.77,C35H25N6Na3O11S3,Diazo Bordeaux 7BL

C.I.Direct Red 130,C.I.28340,CAS 5915-62-8,870.77,C35H25N6Na3O11S3,Diazo Bordeaux 7BL

Molecular Formula:C35H25N6Na3O11S3

Molecular Weight: 870.77

CAS Registry Number:5915-62-8

Manufacturing Methods : 3-Aminonaphthalene-1,5-disulfonic acid diazo, and a coupling m-Toluidine
, its product to diazo, and 7-(4-Amino-3-methylbenzamido)-4-hydroxynaphthalene-2-sulfonic acid  coupling.

Properties and Applications: Claret. Soluble in water and ethanol for blue-ray red. The strong sulfuric acid for green light blue, for orange brown after diluted. The dye solution to join strong hydrochloric acid have red light brown precipitation; Add thick sodium hydroxide solution for Claret.

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

List of Suppliers:

Diazo Bordeaux 7BL( IG Farbenindustrie AG )


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