Chemical elements
  Thorium
    Isotopes
    Energy
    Production
    Application
    Physical Properties
    Chemical Properties
      Thorium Hydride
      Thorium Fluoride
      Thorium Oxyfluoride
      Potassium Thorifluoride
      Thorium Chloride
      Thorium Oxychloride
      Complex Thorium Chlorides
      Thorium Bromide
      Thorium Oxybromide
      Thorium Iodide
      Thorium Dioxide
      Thoria
      Metathorium Oxide
      Thorium Hydroxide
      Thorium Superoxide
      Thorium Sulphide
      Thorium Sulphite
      Thorium Sulphate
      Complex Thorium Sulphates
      Thorium Selenite
      Thorium Selenate
      Thorium Nitride
      Thorium Nitrate
      Thorium Orthophosphate
      Thorium Arsenates
      Thorium Carbide
      Thorium Carbonate
      Thorium Formate
      Thorium Acetate
      Thorium Oxalate
      Thorium Tartrate
      Thorium Acetylacetone
      Thorium Silicide
      Thorium Silicate
      Thorium Borides

Thorium Oxychloride, ThOCl2






Thorium Oxychloride, ThOCl2, which is the first product of the interaction of thoria and carbon tetrachloride, may be isolated in the form of small colourless needles, which dissolve in water without decomposition. It is also formed when ThCl4.7H2O is heated to 250° C. Its heat of solution in water is 28,150 calories at 13° C. (Chauvenet). Crystallo-hydrates with 3, 5, and 6 molecules of water are known.


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