Zinc molybdate

Zinc molybdate

Chembox new
Name = Zinc molybdate
OtherNames =
Section1 = Chembox Identifiers
CASNo = 13767-32-3
Section2 = Chembox Properties
Formula = ZnMoO4
MolarMass = 225.33 g/mol
Appearance = white crystals
Density = 4.3 g/cm³, solid
MeltingPt = >700°C
BoilingPt =
Solubility = Insoluble
Section3 = Chembox Structure
CrystalStruct = tetragonal
Section7 = Chembox Hazards
EUClass = not listed

Zinc molybdate (ZnMoO4) is an inorganic chemical compound. It is a white pigment, which can be used as corrosion inhibitor. While highly soluble molybdates like e.g. sodium molybdate are toxic in higher doses, zinc molybdate is essentially non-toxic because of its insolubility in water. Molybdates possess a lower toxicity than chromates or lead salts and are therefore seen as an interesting alternative to these salts for corrosion inhibition. It can be synthesized by mixing aqueous solutions of sodium molybdate and zinc chloride: the insoluble zinc molybdate will crystallize from this mixture.

References

External links

* [http://pubs.acs.org/hotartcl/chemtech/97/apr/improv.html?CFID=32324&CFTOKEN=45092670 Improved corrosion-inhibiting pigments]


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