... make medicines (Vitamin E), dyes, synthetic resins and hydrogen peroxide. 1, 2, 4-Trimethyl BenzeneAlias: Pseudocumene(PCM)Molecule Formula: ... Relative density ( d420 ) 0.8758. Refractive index ( ND21 )1.5048. Flash point 48degree. Combustion heat 5206.99 kJ. Typical ... medicines (Vitamin E), dyes, synthetic resins and hydrogen peroxide. It is also used to make trimellitic anhydride, pyromellitic ...