Direct Green 49
Name:C.I.Direct Green 49,C.I.28480
Molecular Structure: Double azo class
Molecular Formula:C36H25ClN6Na4O15S4
Molecular Weight: 1037.29
CAS Registry Number:5852-23-3
Manufacturing Methods : 4-Amino-3-chloro-5-methylbenzenesulfonic acid diazo, and 5-Amino-7-ehtoxy-2-naphthalenesulfonic acid coupling, its product to diazo, and 4-(4-Aminobenzamido)-5-hydroxynaphthalene-2,7-disulfonic acid coupling.
Properties and Applications: yellow light green. Soluble in water for green light blue, soluble in ethanol. The strong sulfuric acid for olive green, purple for red after diluted. The dye solution to join strong hydrochloric acid have blue-ray red precipitate; Add thick sodium hydroxide solution have sauce red precipitate.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
AATCC | 3 | 4 | 3 | 3 | 4 |
List of Suppliers:
Diazo Brilliant Green 6G( IG Farbenindustrie AG )
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