Copper, 8-amino-7-methyl-2-phenazinol-sodium sulfide (Na2(Sx)) reaction products brown complexes

similar C.I. Sulphur Red 6 (C.I. 53720) stated in the method, The curing reaction is not added to copper sulfate. According to Ken shade requirements, adjust the curing reaction (reduce) the proportion of copper sulfate, available shade from dark red to red-brown dye.

red light brown. Part of the soluble in water. In concentrated sulfuric acid for blue purple, dilution after brown precipitation; In the Sodium sulfide solution solubility is good, for the red light brown.

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