Phosphomolybdic acid solution CAS: 12026-57-2
MF: 12MoO3•H3PO4
MW: 1825.25
Water soluble compound used in chromatography, histology staning and spectrophotometry.

Phosphomolybdic acid solution (CAS 12026-57-2)

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Noms alternatifs: Masson Trichrome; Molybdophosphoric acid
Application: Phosphomolybdic acid solution is water soluble compound used in chromatography, histology staning and spectrophotometry
Numéro CAS: 12026-57-2
Masse Moléculaire: 1825.25
Formule Moléculaire: 12MoO3•H3PO4
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Phosphomolybdic acid solution is primarily used in spectrophotometric determination of phosphate ions. PMA is also component in the 3-color histology stain called Masson's trichrome; employed in the differentiation step, Phosphomolybdic acid is one of the solutions fixed tissues are immersed in prior to subsequent staining. Phosphomolybdic acid is also used as reagent for simple and rapid colorimetric determination of phenothiazine derivatives. PMA oxidizes the phenothiazine derivative to a cationic free radical, forming a coloured salt. A preliminary extraction is necessary if certain reductants (sulphite or ascorbic acid) are present as stabilizers, as they will reduce the reagent to phosphomolybdenum blue.
Also available as dry reagent: Phosphomolybdic acid hydrate (sc-215711)


Références

1. Fujinaga, T., et al. 1971. Talanta. 18: 960-962. PMID: 18960967
2. Stan, M., et al. 1977. Talanta. 24: 140-142. PMID: 18962047
3. Li, Y., et al. 2009. Org. Lett. 11: 2691-2694. PMID: 19514796

Formulation :
20 % wt. in ethanol
État Physique :
Liquid
STOCKAGE :
Store at 4° C
Point d'Ébullition :
158° C at 760 mmHg
Densité :
0.94 g/mL
Pour la Recherche Uniquement. Non conforme pour le Diagnostic ou pour une Utilisation Thérapeutique.
WGK Allemagne :
3
RTECS :
KQ6300000
PubChem CID :
Index Merck :
13: 7428
Numéro MDL :
MFCD00011341
Numéro CE :
234-713-5
SMILES :
OP(=O)(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.O=[Mo](=O)=O

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