Calcium oxide

From Wikipedia, the free encyclopedia
(Redirected from Quicklime)
Jump to: navigation, search
Calcium oxide
Oxid vápenatý.PNG
General
Systematic name Calcium oxide
Molecular formula CaO
Molar mass 56.0774 g·mol
Appearance White chunky powder
Properties
Density 3.35 g/cm³
Melting point 4,662°F (2,572°C)
Boiling point 5,162°F (2,850°C)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Infobox disclaimer and references

Calcium oxide is a chemical compound of calcium and oxygen. Its chemical formula is CaO. It is known as quicklime. It is made in a lime kiln. It releases heat when dissolved in water and changes into calcium hydroxide. It is a white powder.

It is also a base. It reacts with acids to make calcium salts. Quicklime is an important ingredient of cement

Related pages[change | change source]