Butylated HydroxyToluene, BHT, E321, CAS no.128-37-0, also known as dibutylhydroxytoluene, manufacturing process via chemical synthesis, 4-methylphenol and 2-methylpropene as raw materials. BHT or butyl hydroxytoluene is a fat soluble synthetic compound used to preserve foods and cosmetics to slow down the autoxidation rate of ingredients in a product that can cause changes in the taste or colour. As an experienced Butylated HydroxyToluene BHT manufacturer and supplier, we has been supplying and exporting Butylated HydroxyToluene BHT for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day.Butylated HydroxyToluene powder food grade Specification ITEM SPECIFICATIONS Appearance white crystals or crystalline powder m.p.C 69.0-70.0 Purity, %, 99.5 Water content, % 0.1 Incandesced residue ,% 0.01 Sulfate (as SO4), % 0.002 Heavy metal (as Pb), % 0.0004 As ,% 0.0001 Free cresol(as p-cresol) ,% 0.02