clear and colorless liquid .Relative density 1.764, melting point - 112, boiling point 39(7466.032Pa), approximately 90, it starts to decompose. Dissolves in the water, its water-soluble fluid has the very good electrical conductivity.  Useful in the industries of galvanizing and the film strip, the artificial diamond, the electricity polishing and the pharmaceutical, also useful in producing the grinding wheel getting rid of the carbon granule impurity. Serves as the strong oxidant, but also useful in producing the fireworks and the blasting explosive.