Appearance: Colorless transparent liquid Boiling point: 39.15¿c Melting point: -63.5¿c Density: 1.490g/cm3 Quality index Purity: 99.0% Chloride: 0.005% Sulfate: 0.02% Fluoride: 0.005% 25kg(50kg, 100kg, 250kg)/drum, (plastic-coated metal pail) or customized