Acid Red 68
Name:C.I.Acid Red 68,C.I.17920
Molecular Structure: Single azo class
Molecular Formula:C27H23N4NaO6S
Molecular Weight: 554.55
CAS Registry Number:6369-40-0
Manufacturing Methods : 4′-Amino-N-ethylbenzanilide diazo, and 6-Acetamido-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications: red. Soluble in water and ethanol is red. The strong sulfuric acid for cherry red, diluted into orange red. In water solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for palm orange.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 4-5 | 3 | 3 | 3 | 1 | 3 |
List of Suppliers:
Supramin Red BL( Bayer Group )
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