BASIC ORANGE 21

Metachromatic dye

2-(1,3,3-Trimethylindolin-2-yl)acetaldehyde and 2-Methyl-2H-indazole??in 90 ℃ in the condensation, and then dumped into the water, and translated into chloride.

bright yellow orange. Soluble in water and ethanol are yellow, slightly soluble in cold water, soluble in hot water. Dye acrylic fiber as a bright yellow orange, tungsten filament in light slant red light. In 120 ℃ dyeing color when unchanged. In the dying encounter copper, iron ion colored light changes greatly. This product used for acrylic, two vinegar fiber, modified polyester dyeing and printing.

Standard	Light Fastness	Persperation Fastness		Ironing Fastness		Soaping
		Fading	Stain	Fading	Stain	Fading	Stain
ISO	4-5	4-5	4-5			4-5	4-5
AATCC	5-6	5	5	3		5	5