CAS Number 7789-75-5
·
Empirical Formula (Hill Notation) CaF2
·
Molecular Weight 78.07
Calcium fluoride is the inorganic compound with the formula CaF2.
It is a white insoluble solid. It occurs as the mineral fluorite (also
called fluorspar), which is often deeply coloured owing to impurities.
Detailed description
Applications
Naturally occurring CaF2 is the
principal source of hydrogen fluoride, a commodity
chemical used to produce a wide range of materials. Calcium fluoride in
the fluorite state is of
significant commercial importance as a fluoride source.[6] Hydrogen
fluoride is liberated from the mineral by the action of concentrated sulfuric acid:[7]
Niche uses
Calcium fluoride is used to manufacture optical
components such as windows and lenses, used in thermal imaging systems,
spectroscopy, and excimer lasers. It is transparent
over a broad range from ultraviolet (UV) to infrared (IR) frequencies. Its low
refractive index reduces the need for anti-reflection coatings. Its insolubility in water is convenient as well.
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$11.54/KG OR $5.24/IB
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