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Chemistry Individual Project Work - CaBr2

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Chemistry Individual Project Work - CaBr2 Candy Tsang F.3C (29) The ionic compound Name: Calcium bromide Formula: CaBr2 Electronic diagram: Physical properties ... – PowerPoint PPT presentation

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Title: Chemistry Individual Project Work - CaBr2


1
Chemistry Individual Project Work - CaBr2
  • Candy Tsang
  • F.3C (29)

2
The ionic compound
  • Name Calcium bromide
  • Formula CaBr2
  • Electronic diagram

3
Physical properties
  • Features
  • 1) State solid
  • 2) Appearance white crystal powder
  • 3) Purity 95 min.
  • 4) Melting point 730C Boiling point 806C
  • 5) Density 3380 kg m-3
  • 6) Molar mass of CaBr2 199.886 g/mol
  • 7) Solubility in organics insoluble

4
Chemical Properties
  • 1) PH value 7-9
  • 2) Toxicity Oral rat LD50 4100mg/kg
  • When strongly heated in air, calcium bromide will
    produce calcium oxide and bromine.
  • 2 CaBr2 O2 ? 2 CaO 2 Br2
  • In this reaction the oxygen oxidizes the bromide
    to bromine.

5
Others
  • Uses
  • Mainly applied in ocean oil wells as completion
    fluid, stationary liquid and workover fluid
  • Can be found in
  • drilling fluids, neuroses medication, freezing
    mixtures, food preservatives, photography and
    fire retardants
  • Prices
  • 138 for 500g

6
Resources
  • http//en.wikipedia.org/wiki/Calcium_bromide
  • http//chemideal.en.alibaba.com/product/321892165-
    210230229/Calcium_Bromide_Liquid.html
  • http//www.calciumbromide.net/
  • http//www.chemicalbook.com/ChemicalProductPropert
    y_EN_CB3210471.htm
  • http//www.google.com.hk/

7
The End
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