preparation of 4-amino-n-ethyl-n-(beta-methanesulfonamideethyl)m-toluidine sulfate_kain industrial additive
background and overview[1] 4-amino-n-ethyl-n-(beta-methanesulfonamideethyl)m-toluidine sulfate, trade name cd-3, is a color developer and an important photographic chemical . 4-amino-n-ethyl-n-(beta-methanesulfonamideethyl)m-toluidine sulfate is used for the development of oil-soluble color reversal films and color photographic papers. preparation[1] 1. reagents and instruments compound (1) (self-made); 85% hydrazine hydrate (ar, shanghai chemical reagent purchasing and supply station); ferric chloride…

