The Use of 1,3-Phenylenediamine
The intermediate of azo dyes and azazine dyes is mainly used in the manufacture of direct black RN, alkaline orange, alkaline brown G, direct exposure to black G and so on. It is used as a fur dye. In Japan, azo dyes consume 90% of the total consumption of benzene two amine. Also used as curing agent for epoxy resin and cement coagulant for water and Hair Coloring, mordant, chromogenic agent etc..
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