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Calcium(I) chloride

Calcium(I) chloride
IUPAC name calcium(I) chloride
Other names calcium monochloride
CAS number 7815-34-7
Molecular formula CaCl
Molar mass 75.53 g/mol
Appearance white solid
Density 1.78 g/cm³
Melting point

1455 °C

Boiling point

2516 °C

Solubility in water 183.9 g/100 ml (20 °C)
Related Compounds
Other anions calcium(I) fluoride
Other cations calcium(II) chloride
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Calcium(I) chloride (CaCl) is an ionic compound of calcium and chlorine. It was first synthesized in 1978.

Chemical properties

Calcium(I) chloride decomposes to calcium metal and calcium(II) chloride at 3000 °C, but at room temperature calcium(I) chloride is stable.


At 1000 °C, calcium(II) chloride reacts with hydrogen gas to form calcium(I) chloride.

2CaCl2 + H2 → 2CaCl + 2HCl
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Calcium(I)_chloride". A list of authors is available in Wikipedia.
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