Phosphomolybdic acid

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Phosphomolybdic acid
Other names Molybdophosphoric acid; dodecamolybdophosphoric acid
Identifiers
CAS number [51429-74-4]
MeSH Phosphomolybdic+acid
SMILES O=[Mo](=O)=O. O=[Mo](=O)=O. O=[Mo](=O)=O. O=[Mo](=O)=O. O=[Mo](=O)=O. O=[Mo](=O) =O. O=[Mo](=O)=O. O=[Mo](=O)=O. O=[Mo](=O)=O. O=[Mo](=O)=O. O=[Mo](=O)=O. O=[Mo]( =O)=O. OP(=O)(O)O
Properties
Molecular formula H3[P(Mo3O10)4]; H3PMo12O40
Molar mass 1825.25
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Phosphomolybdic acid, also known as dodeca molybdophosphoric acid or PMA is a component of Masson's trichrome stain. It is a yellow-green compound, freely soluble in water and polar organic solvents such as ethanol. It is used as a reagent in thin layer chromatography for staining phenolics, hydrocarbon waxes, alkaloids and steroids.


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