... . It is used to make medicines (Vitamin E), dyes, synthetic resins and hydrogen peroxide. 1, 2, 4-Trimethyl BenzeneAlias: Pseudocumene ... : Q/3201 NJLY 02-2008 (updated) ItemStandardTesting results1,2,4-Trimethylbenzene,%(w/w)min99.0099.051,3,5-Trimethylbenzene,% ... synthetic resins and hydrogen peroxide. It is also used to make trimellitic anhydride, pyromellitic dianhydride, soluble alkide resins, ...