Features:1) Main index of our prolylene series products2) Mono propylene glycol: tech grade, USP grade3) Purity of propylene oxide: 99.5% min.4) Purity of propylene: 99.0% min.5) Density of 1, 2-dichloroproane: 1.158 (20 degrees)6) Purity of N-Hexane: 60 - 85%