Acid Brown 233;C.I.Acid Brown 233:C.I.20018;Chromate(1-), bis[4-[[2-(hydroxy-κO)-5-nitrophenyl]azo-κN1]-2-(phenylazo)-1,3-benzenediolato(2-)-κO3]-, hydrogen
Chromate(1-), bis[4-[[2-(hydroxy-κO)-5-nitrophenyl]azo-κN1]-2-(phenylazo)-1,3-benzenediolato(2-)-κO3]-, hydrogen C화학적 특성, 용도, 생산
제조 방법
2-Amino-4-nitrophenol diazo, Coupled with resorcinol, its product again with diazo of aniline coupling, and then translate into 1:2 chromium complex.
Properties and Applications
red light brown. Soluble in water for brown, soluble in ethanol for red light brown. The strong sulfuric acid for orange brown, diluted for orange brown still. Add in aqueous solution hydrochloric acid have red brown precipitation; Add sodium hydroxide in red.
Standard
Light Fastness
Soaping
Persperation Fastness
Oxygen bleaching
Fastness to seawater
Fading
Stain
Fading
Stain
Fading
Stain
ISO
6
4
4
5
4-5
4
Chromate(1-), bis[4-[[2-(hydroxy-κO)-5-nitrophenyl]azo-κN1]-2-(phenylazo)-1,3-benzenediolato(2-)-κO3]-, hydrogen 준비 용품 및 원자재