1, 3-dimethyladamantane Appearance : clear colorless liquid Purity(gc): í¦ 99.0% Water: í_ 0.5% Density: 0.857-0.906g/cm3 Storage: store in a tightly closed container, and in a cool, dry, well-ventilated area away from incompatible substances. Manufacturer, zhejiang hongbo chemical co., ltd. Ms. Shou lijun with address sanhechem at mail dot hz dot zj dot cn.