3 . purpose : being used for wool , silk , polyamide fibre and the dye and printing of wool blending weaving products , it can also be used as food dyestuff , organic dye , industrial cleanser , civilian cleanser natatorium disinfection , toilet - cleaning substance , washing powder , fertilizer dye as the mark , antifreeze dying , lumber preservative , matchstick or matchhead dying , crop protect reagent insecticide , antiseptic and herbicide are usually dyed to be treated as warning , furthermore , it can be used as the dye of the paper , for making ink and colored pencil , sanitation epidemic prevention field and leather dying 三用途：用于羊毛蚕丝锦纶及羊毛混纺织物的染色及印花。也可以用作食品染料和有机颜料工业清洁剂民用清洁剂游泳池消毒洁厕用品洗衣粉肥料染色以作标识抗冻剂着色木材防腐剂火柴杆或头着色农作物保护剂杀虫剂杀菌剂除草剂经常被染色以示警告。也可用来纸张着色制做墨水及彩笔卫生防疫领域皮革着色。
