... tert-butyl-4-methyl phenol white crystals or crystalline powder.Mainly used in animal and vegetable oil and fat.. BHT (2,6-di-tert-butyl ... -4-methyl phenol) SpecificationsItemsParameterAppearancewhite crystals or crystalline powderm.p.°C69.0-70.0Purity, %,≥99. ... (as Pb), % ≤0.0004As ,% ≤0.0001Free cresol(as p-cresol) ,% ≤0.02 GradeFood grade, technical grade, feed grade. ...