Magnesium chromate
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Magnesium chromate is a chemical compound, with the formula MgCrO4. It is a yellow, odorless, water-soluble solid with several important industrial uses. This chromate can be manufactured as a powder.


History

Before 1940, the literature about magnesium chromate and its hydrates was sparse, but studies starting in that year looked at its properties and solubility.


Uses

It is available commercially in a variety of powders, from
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to
micron The micrometre ( international spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is a unit of length in the International System of Un ...
-sized, either as an anhydrous or hydrated form. As a hydrate, it is useful as a corrosion inhibitor and pigment, or as an ingredient in
cosmetics Cosmetics are constituted mixtures of chemical compounds derived from either natural sources, or synthetically created ones. Cosmetics have various purposes. Those designed for personal care and skin care can be used to cleanse or protect ...
. In 2011, an undecahydrate (containing 11 molecules of water) of this compound was discovered by scientists at the
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.


Hazards

Magnesium chromate hydrate should be stored at room temperature, and there is no current therapeutic use. It is a confirmed
carcinogen A carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis (the formation of cancer). This may be due to the ability to damage the genome or to the disruption of cellular metabolic processes. Several radioactive subs ...
, and can cause acute and dermititis, and possibly kidney and liver damage if inhaled, so it should be treated as a hazardous waste.


References

{{Chromates and dichromates Magnesium compounds Chromates