Formamide, N,N'-1,4-phenylenebis-, reaction products with 4-methyl-1,3-benzenediamine and sulfur

3 parts of? 4-Methylbenzene-1,3-diamine, 2 parts of?N-(4-formamidophenyl)formamide and 50 parts of the mixture of sulfur in 210 ℃ calcination 13 hours. At higher temperature dye color is red darker, have higher tinting strength.

yellow brown.

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