Direct Black 96
Name:C.I.Direct Black 96,C.I.27770
Molecular Structure: Double azo class
Molecular Formula:C35H25N5Na2O10S2
Molecular Weight: 785.71
CAS Registry Number:8004-74-8
Manufacturing Methods : 8-Amino-4-hydroxynaphthalene-2-sulfonic acid diazo, and 2-Amino-4-methylanisole coupling, product to diazo, and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid (0.5 Moore) and 4-Amino-5-hydroxynaphthalene-1-sulfonic acid (0.5 Moore) coupled.
Properties and Applications: blue and black. Soluble in water for the navy, and adequate soluble in alcohol to the red light blue. The strong sulfuric acid for dark blue-green, diluted for dark purple. Dye liquid water soluble join strong hydrochloric acid for violet black, precipitation; Add thick sodium hydroxide solution for deep blue.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
AATCC | 5 | 5-6 | 3 | 4 |
List of Suppliers:
Nitrazol Black M( IG Farbenindustrie AG )
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