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Key Documents

79558

Sigma-Aldrich

Sodium phosphomolybdate hydrate

technical

Synonym(s):

Molybdophosphoric acid sodium salt, Phosphomolybdic acid sodium salt hydrate

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About This Item

Linear Formula:
Na3[P(Mo3O10)4] · xH2O
CAS Number:
Molecular Weight:
1891.20 (anhydrous basis)
EC Number:
MDL number:
UNSPSC Code:
12352000
PubChem Substance ID:
NACRES:
NA.22

grade

technical

Quality Level

form

crystals

reaction suitability

core: molybdenum
reagent type: catalyst
reagent type: oxidant

mp

98 °C (dec.) (lit.)

density

2.83 g/mL at 25 °C (lit.)

SMILES string

O.[Na+].[Na+].[Na+].[O-][Mo](=O)(=O)O[Mo](=O)(=O)O[Mo](=O)(=O)O[Mo](=O)(=O)OP(=O)(O[Mo](=O)(=O)O[Mo](=O)(=O)O[Mo](=O)(=O)O[Mo]([O-])(=O)=O)O[Mo](=O)(=O)O[Mo](=O)(=O)O[Mo](=O)(=O)O[Mo]([O-])(=O)=O

InChI

1S/12Mo.3Na.H3O4P.H2O.36O/c;;;;;;;;;;;;;;;1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h;;;;;;;;;;;;;;;(H3,1,2,3,4);1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/q;;;;;;;;;6*+1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;3*-1/p-3

InChI key

GVSXYXXCIUVHQT-UHFFFAOYSA-K

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Application

Reactant for synthesis of:
  • Supramolecular hydrogen-bonded Archimedean cages with encapsulated organic and inorganic species

Reactant for:
  • Temperature programmed reduction and hydrogen-isotope exchange
  • Passivation of stainless steel

Used for:
  • Plastic membrane electrodes for determination of flavoxate hydrochloride and cyclopentolate hydrochloride
  • Investigations of catalyst load role on transesterification of di-Me carbonate and phenol
  • Cocatalyst for methanol carbonylation

Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Dawei Fan et al.
Journal of colloid and interface science, 351(1), 151-155 (2010-08-19)
Hybrid films composed of oppositely charged Keggin-type 12-molybdophosphoric acid H(3)PMo(12)O(40).nH(2)O (PMo(12)) and water-soluble cationic meso-tetra (N-methyl-4-pyridyl) porphinetetratosylate (TMPyP) were fabricated onto silicon and ITO substrates by a layer-by-layer (LbL) self-assembly technique. The LbL films were characterized by UV-vis spectroscopy, X-ray
Rubel Chakravarty et al.
Journal of chromatography. A, 1220, 82-91 (2011-12-27)
Barium-137m availed from a (137)Cs/(137m)Ba generator is an attractive industrial radiotracer for liquid flow rate measurement owing to its short half-life (T(1/2)=2.5 min) and emission of highly energetic gamma radiation (E(γ)=661.7 keV). Ammonium molybdophosphate (AMP) impregnated alumina microspheres (AMP-Al(2)O(3)), an
Hajime Katano et al.
Analytical sciences : the international journal of the Japan Society for Analytical Chemistry, 27(10), 1043-1047 (2011-10-12)
New appropriate reaction system was found for spectrophotometric determination of phosphate anion. This spectrophotometric method is based on the color development due to the formation of yellow molybdophosphate anion in acidic ethylene glycol-water (EG-W) mixed solution containing Mo(VI) species. The
Juan Feng et al.
Analytical biochemistry, 409(1), 144-149 (2010-10-26)
The classical malachite green (MLG) assay of phosphate, which added MLG after molybdate to the acidified reaction solutions of phosphate, tolerated interference from papaverine, sildenafil, and some similar hydrophobic amines. Resonance Rayleigh scattering signals, the alleviation of interference by poly(vinyl
Maher Mahmoud El-Hashash et al.
Acta pharmaceutica (Zagreb, Croatia), 60(3), 361-367 (2010-12-08)
In the present study, antioxidant activity of methanolic extracts of the leaves of seven Egyptian Cassia species was investigated using two methods, the phosphomolyb-date method and 1,1 diphenyl-2-picrylhydrazyl radical (DPPH) scavenging activity method.· The results revealed that C. glauca is

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