Calcium perchlorate

Calcium perchlorate is classified as a metal perchlorate salt with the molecular formula Ca(ClO4)2. It is an inorganic compound that is a yellow-white crystalline solid in appearance. As a strong oxidizing agent, it reacts with reducing agents when heated to generate heat and products that may be gaseous (which will cause pressurization in closed containers). Calcium perchlorate has been categorized as having explosive reactivity. Ca(ClO4)2 is a common chemical on the soil of planet Mars, counting for almost 1% of the Martian dust, by weight.

Calcium perchlorate
Names
IUPAC name
Calcium perchlorate
Other names
Calcium perchlorate tetrahydrate, Calcium diperchlorate, Perchloric acid calcium salt (2:1), Calcium perchlorate, hydrated
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.411
EC Number
  • 236-768-0
PubChem CID
UNII
  • InChI=1S/Ca.2ClHO4/c;2*2-1(3,4)5/h;2*(H,2,3,4,5)/q+2;;/p-2
    Key: ZQAOXERLHGRFIC-UHFFFAOYSA-L
  • InChI=1/Ca.2ClHO4/c;2*2-1(3,4)5/h;2*(H,2,3,4,5)/q+2;;/p-2
    Key: ZQAOXERLHGRFIC-NUQVWONBAO
SMILES
  • [Ca+2].O=Cl(=O)(=O)[O-].[O-]Cl(=O)(=O)=O
Properties
Ca(ClO4)2
Molar mass 238.9792 g/mol
Appearance White to yellow crystalline solid
Density 2.651 g/cm3
Melting point 270 °C (518 °F; 543 K)
188.7 g/100 g
Solubility in acetone 61.76 g/100 g
Solubility in ethyl acetate 113.5 g/100 g
Solubility in ethanol 166.2 g/100 g
Solubility in ethyl ether 0.26 g/100 g
Solubility in methanol 237.4 g/100 g
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 oxidiser
GHS labelling:
Danger
H271
P210, P220, P221, P280, P283, P306+P360, P370+P378, P371+P380+P375, P501
NFPA 704 (fire diamond)
2
0
1
OX
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references
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