2,2-Dimethyl-1,2-dihydroquinoline derivatives useful as antioxidants, a process for the preparation thereof and mixtures containing them

摘要

(2,2-Dimethyl-1,2-dihydroquinoline-4-yl)-methylsulfonic acid and the ammonium, alkali metal, alkaline earth metal and zinc salts thereof are disclosed. The new compound and its salts are superior antioxidants useful to stabilize animal feedstuffs containing biologically active substances which are sensitive to oxidation.