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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

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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
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
Andrey V Bulatov et al.
Talanta, 96, 62-67 (2012-07-24)
Simple, rapid and fully automated methods for the manual and automated spectrophotometric determination of epinephrine have been developed by using schemes of stepwise injection (SWIA) and sequential injection analysis (SIA) implemented in the same manifold. The determination is based on
Paweł K Zarzycki et al.
Analytica chimica acta, 688(2), 168-174 (2011-02-22)
The main goal of present paper is to demonstrate the separation and detection capability of micro-TLC technique involving simple one step liquid extraction protocols of complex materials without multi-steps sample pre-purification. In the present studies target components (cyanobacteria pigments, lipids
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

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