Leuco Sulphur Orange 1

Подготовка

1 part of??4-Methylbenzene-1,3-diamine?and??2 to 4 parts of??sulfur in 190 ~ 250 ℃ calcination 15 to 24 hours, and its coarse product with Sodium hydroxide or Sodium sulfide solution treatment (BIOS 1155, – 28). Product hue by sulfurized temperature and reaction time and decide, high temperature and long time the orange dye with red light, and low temperature short time will bring yellow.

Свойства и приложения

yellow orange to red orange. Soluble in water, in the sodium sulfide solution good solubility.

Standard	Acid Resistance	Alkali Resistance	Light Fastness	Fulling	Persperation Fastness	Soaping
						Moderate	Severe
ISO	3-4	4	2-3	3-4		4-5	4
AATCC	3-4	4	4				4