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Cadmium nitrate

308.48 g/mol (tetrahydrate) 2.45 g/cm3 (tetrahdyrate) 126.6 g/100 mL (18 °C) 139.8 g/100 mL (30 °C) 320.9 g/100 mL (59.5 °C) 5 g/L in methanol at 760 mmHg (anhydrous) 59.5 C at 760 mmHg (tetrahydrate) at 760 mmHg (tetrahydrate) −1.4·10−4 cm3/mol (tetrahydrate) Orthorhombic (tetrahydrate) | NFPA-H = 4 | NFPA-F = 0 | NFPA-R = 0 | NFPA-S = OX Cadmium chloride Cadmium sulfate Calcium nitrate Magnesium nitrate

Cadmium nitrate describes any of the related members of a family of inorganic compounds with the general formula . The most commonly encountered form being the tetrahydrate.

Uses

Cadmium nitrate is used for coloring glass and porcelain and as a flash powder in photography.

Preparation

Cadmium nitrate is prepared by dissolving cadmium metal or its oxide, hydroxide, or carbonate, in nitric acid followed by crystallization: : : :

Reactions

Thermal dissociation at elevated temperatures produces cadmium oxide and oxides of nitrogen. When hydrogen sulfide is passed through an acidified solution of cadmium nitrate, yellow cadmium sulfide is formed. A red modification of the sulfide is formed under boiling conditions.

When treated with sodium hydroxide, solutions of cadmium nitrate yield a solid precipitate of cadmium hydroxide. Many insoluble cadmium salts are obtained by such precipitation reactions.

References

References

  1. (1919). "Solubilities of Inorganic and Organic Compounds". D. Van Nostrand Company.
  2. {{CRC90
  3. "MSDS of Cadmium nitrate tetrahydrate". Fisher Scientific.
  4. (1978). "Raman spectrum of cadmium nitrate". Australian Journal of Chemistry.
  5. {{Sigma-Aldrich
  6. {{PGCH. 0087
  7. (1966). "Refinement of the Structure of Cd(NO3)2.4H2O". Acta Crystallographica.
  8. Karl-Heinz Schulte-Schrepping, Magnus Piscator "Cadmium and Cadmium Compounds" in Ullmann's Encyclopedia of Industrial Chemistry, 2007 Wiley-VCH, Weinheim. {{doi. 10.1002/14356007.a04_499.
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cadmium-compounds nitrates deliquescent-materials iarc-group-1-carcinogens
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