Acid Red 226

Preparation

2-Amino-4-nitrophenol and 2-Amino-5-nitrophenol?diazo respectively, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one (2 Moore) coupling, and then make the generation of the chrome complex.

Properties and Applications

red. The original dyes as red powder, slightly soluble in water, soluble in ethylene glycol ether, DMF, ethanol, and other organic solvent, the solution is a deep red. Leather spray product for flammable, volatile liquid with ethanol smell. Mainly used for pigskin, such as cow leather, goat natural leather finishing the spray or curtains, especially suitable for aniline leather spraying shading

Standard	Light Fastness	Soaping		Persperation Fastness	Oxygen bleaching		Fastness to seawater
		Fading	Stain		Fading	Stain	Fading	Stain
ISO	6	5	4-5	5	2-3		5	5