... Vitamin E), dyes, synthetic resins and hydrogen peroxide. 1, 2, 4-Trimethyl BenzeneAlias: Pseudocumene(PCM)Molecule Formula: C9H12Structurer Formula: ... point -44 degree, boiling point 168degree. Relative density ( d420 ) 0.8758. Refractive index ( ND21 )1.5048. Flash point 48degree. ... Q/3201 NJLY 02-2008 (updated) ItemStandardTesting results1,2,4-Trimethylbenzene,%(w/w)min99.0099.051,3,5- ...