Direct Brown 14
Name:C.I.Direct Brown 14,C.I.35715
Molecular Structure: Multi-azo class
C.I.Direct Brown 14,C.I.35715,CAS 8002-97-9,1002.87,C45H29N10Na3O10S2
Molecular Formula:C45H29N10Na3O10S2
Molecular Weight: 1002.87
CAS Registry Number:8002-97-9
Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, and 2-Hydroxybenzoic acid coupling, and then and 5-Aminonaphthalene-2-sulfonic acid and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid diazo, and Benzene-1,3-diamine coupled to a product matches.
Properties and Applications: brown olive green light. Soluble in water, soluble in alcohol. The strong sulfuric acid for purple; In strong hydrochloric acid for red brown solution.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 5 | 4-5 | 2-3 | 3-4 | 4 | ||
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