... BHT (Industry Grade)(2,6-di-tert-butyl-4-methyl phenol), C15H24O, molecular weight 220.36, white crystals or crystalline powder ... industries. ItemSpecificationsFood GradeAppearanceWhite crystalline powderMelting point, Degree69.0-70.0Free phenol,%,0.02Ash,%, ≤0.01Sulfate,%,≤0.02Heavy metal(pb),%,≤0.0004Arsenic ...