Direct Blue 36
Name:C.I.Direct Blue 36,C.I.24150
Molecular Structure: Double azo class
Molecular Formula:C34H22ClN4Na3O13S3
Molecular Weight: 895.18
CAS Registry Number:6473-34-3
Manufacturing Methods : 3,3′-Dimethoxylbenzidine double nitriding, first with 8-Chloro-1-naphthol-3,6-disulfonic acid coupled, again with 4-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications: blue. Soluble in water for purple, slightly soluble in alcohol. The strong sulfuric acid for blue-ray green and purple, for the red light purple diluted. The dye solution to join strong hydrochloric acid for purple, have precipitation; Add thick sodium hydroxide solution into a red light purple.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 4-5 | 3 | 2 | 1-2 | 1-2 |
List of Suppliers:
Diamine Brilliant Blue G( Carbotex Consultants )
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