Direct black 51 (C.I. 27720);C.I.Direct Black 51:C.I.27720;disodium 3(or 5)-[[4-[(7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]salicylate
disodium 3(or 5)-[[4-[(7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]salicylate C화학적 특성, 용도, 생산
제조 방법
3-Amino-2-hydroxybenzoic acid coupling, again diazo, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling.
Properties and Applications
blue gray. To black powder. Soluble in water, slightly soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid dyes for green, diluted into red sauce, precipitation. The dye solution for violet black, join after strong hydrochloric acid by purplish red color into red sauce, precipitation; Add thick hydrogen uranium oxide solution to dark purple, have precipitation. Water-soluble general, sensitive to that fights. Dyeing copper and iron ion in the blue light. Used for cotton, viscose and their blended fabric dyeing and silk, cotton or viscose fabric can be in directly on printing, also used in leather and fur and paper color. And disperse dyestuffs high temperature on polyester with bath/cotton blended fabric dyeing.
Standard
Acid Resistance
Alkali Resistance
Light Fastness
Soaping
Water
Fading
Stain
Fading
Stain
ISO
2-3
4
4
2
2
AATCC
4
2
4
3
1
disodium 3(or 5)-[[4-[(7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]salicylate 준비 용품 및 원자재
원자재
준비 용품
disodium 3(or 5)-[[4-[(7-amino-1-hydroxy-3-sulphonato-2-naphthyl)azo]-1-naphthyl]azo]salicylate 공급 업체
