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CAS No 7790-75-2 , Calcium tungstate

  • Name: Calcium tungstate
  • Synonyms: Calcium wolframate;Calcium wolframate;Calciumtungstatewhitepowder; Calciumtetrahydrogendiphosphatemonhydrate;Calcium tungstate; calcium wolframate, of a kind used as a luminophore; calcium wolframate, not of a kind used as a luminophore; Calcium orthotungstate; Calcium tetraoxotungstate;
  • CAS Registry Number:
  • Flash Point: °C
  • Boiling Point: °Cat760mmHg
  • Density: 6.06
  • Flash Point: °C
  • EINECS: 232-219-4
  • Molecular Weight: 287.93
  • InChI: InChI=1/Ca.4O.W/rCaO4W/c2-6(3)4-1-5-6
  • Molecular Formula: CaWO4
  • Molecular Structure:CAS No:7790-75-2 Calcium tungstate

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References of Calcium tungstate
Title: Calcium Tungstate(VI)
CAS Registry Number: 7790-75-2
Molecular Formula: CaO4W
Molecular Weight: 287.92
Percent Composition: Ca 13.92%, O 22.23%, W 63.85%
Line Formula: CaWO4
Literature References: Occurs in nature as the mineral scheelite. The article of commerce is usually made by pptn: Boericke, Boericke, US 2390687 (1945); prepn by heating a stoichiometric mixture of CaO or CaCO3 and tungstic acid: Kroger, Nature 159, 674 (1947); prepn of single crystals: Uitert, Soden, J. Appl. Phys. 31, 328 (1960).
Properties: Tetragonal crystals. d 6.06. Practically insol in water. Dec by hot HCl or HNO3.
Density: d 6.06
Use: Very small crystals have been used for injection into malignant tumors, etc., thus affording by transillumination a means of x-ray treatment; for preparing screens for x-ray observations and photographs; in luminous paints; in scintillation counters.