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HomeProduct name listdisodium 8-(phenylamino)-5-[[4-(phenylazo)-7-sulphonato-1-naphthyl]azo]naphthalenesulphonate

disodium 8-(phenylamino)-5-[[4-(phenylazo)-7-sulphonato-1-naphthyl]azo]naphthalenesulphonate

disodium 8-(phenylamino)-5-[[4-(phenylazo)-7-sulphonato-1-naphthyl]azo]naphthalenesulphonate  Structural

What is disodium 8-(phenylamino)-5-[[4-(phenylazo)-7-sulphonato-1-naphthyl]azo]naphthalenesulphonate ?

Preparation

aniline diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, its product to diazo, and 8-(Phenylamino)naphthalen-1-ol ? coupling.

Properties and Applications

red light navy blue. For purple soluble in water, soluble in ethanol as dark blue, soluble in acetone, slightly soluble in soluble fiber element, insoluble in other organic solvents. In the dark for the strong sulfuric acid, diluted to blue. In nitric acid solution for yellow brown. In water solution to join strong hydrochloric acid for dark; Add thick sodium hydroxide solution for deep red.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5 3-4 3 3-4 3-4 4
AATCC 5 3 3 4 4 4-5

Safety information for disodium 8-(phenylamino)-5-[[4-(phenylazo)-7-sulphonato-1-naphthyl]azo]naphthalenesulphonate

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