REACTIVE YELLOW 145

Preparation

the between 1-(3-Aminophenyl)ureaand 2,4,6-Trichloro-1,3,5-triazine first condensation, 7-Aminonaphthalene-1,3,6-trisulfonic acid diazo, and condensation products coupled, again with a between, 2-(3-Aminophenylsulfonyl)ethyl hydrogen sulfatecondensation, and then salting-out.

Properties and Applications

red light yellow. Orange powder. Soluble in water, in the water solubility of 80 g/L. After dyeing fabric as the red light yellow, in dye bath of metal ions in iron, a little yellow color a little dark; Copper ions in that red light shadow change. The dye move color performance for grade 5, neutral white a category 5, white alkaline for 3 ~ 4 levels. Mainly used for cellulose fiber dyeing, suitable for polyester/cotton, polyester/stick blended fabric dyeing of a bath.

Standard	Light Fastness	Oxygen bleaching		Persperation Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	6-7	4-5	5	5	4	5	4-5