disodium 1-(3-aminophenyl)-4-[[3-[[3-[[1-(3-aminophenyl)-3-carboxylato-4,5-dihydro-5-oxo-1H-pyrazol-4-yl]azo]benzoyl]amino]phenyl]azo]-4,5-dihydro-5-oxo-1H-pyrazole-3-carboxylate

3-Aminophenyl 3-aminobenzoate?double nitriding, and 1-(3-Nitrophenyl)-3-carboxy-5-pyrazolone (2 Moore) coupling, and then will the nitro reduction.

red light orange. Soluble in water for golden brown, slightly soluble in soluble fiber element, soluble in ethanol, insoluble in other organic solvents. The strong sulfuric acid for green light yellow, with golden yellow diluted. Dye with strong hydrochloric acid solution for golden brown, precipitation; Add thick sodium hydroxide solution for green light yellow. Used for cellulose fiber dyeing, 80 ℃ maximum dyeing affinity. Exhaust dyeing good, also can be used for leather color.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Soaping		Water
				Fading	Stain	Fading	Stain
ISO	4-5	4	1-2	4		4-5
AATCC	5	5	1-2	4-5		5