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Merck

431400

Phosphomolybdic acid hydrate

≥99.99% trace metals basis

Synonym(s):

Molybdophosphoric acid

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About This Item

Linear Formula:
H3[P(Mo3O10)4] · xH2O
CAS Number:
Molecular Weight:
1825.25 (anhydrous basis)
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352300
EC Number:
234-713-5
MDL number:
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Product Name

Phosphomolybdic acid hydrate, ≥99.99% trace metals basis

InChI key

PDDXOPNEMCREGN-UHFFFAOYSA-N

InChI

1S/12Mo.H3O4P.H2O.36O/c;;;;;;;;;;;;1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h;;;;;;;;;;;;(H3,1,2,3,4);1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;

SMILES string

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.OP(O)(O)=O

assay

≥99.99% trace metals basis

form

crystals

reaction suitability

reagent type: oxidant

impurities

≤0.01% insolubles
<100 ppm total metallic impurities

density

1.62 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.02%
sulfate (SO42-): ≤0.025%

cation traces

Ca: ≤0.02%
Fe: ≤0.005%
NH4+: ≤0.01%
heavy metals: ≤0.005%

Quality Level

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Application

A precursor to hybrid organic-inorganic based molecular batteries with applications as cation-insertion electrodes.
Employed in preparation of a hybrid organic-inorganic, electroactive material with potential application as a cation-insertion electrode in batteries.
Reactant for preparation of:
  • Catalysts for the nitration of aromatic compounds
  • Highly dispersed MoOx/CNTs (carbon nanotubes) as a support for Pt catalysts
  • Reduced molybdophosphate mixed-valence Keggin clusters
  • Polyoxometalate (POM) hybrid materials based on Keggin polyanion building blocks
  • Luminescent Langmuir-Blodgett films
  • Anchored Wilkinson catalyst

Features and Benefits

Meets A.C.S. reagent specifications.

General description

Phosphomolybdic acid hydrate is a heteropolyacid hydrate. It participates in the synthesis of molybdenum disulfide (MoS2)-reduced graphene oxide (RGO) composites. Phosphomolybdic acid is one of the components of the Goldner′s trichrome stain used for tissue staining.

pictograms

Flame over circleCorrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1 - Ox. Sol. 3 - Skin Corr. 1B

Storage Class

5.1B - Oxidizing hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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Liu, L.; et al.
Journal of Organometallic Chemistry, 696, 1319-1319 (2011)
Tanielyan, S. K.; et al.
ACS Catalysis, 1, 159-159 (2011)
Tomoyuki Akutagawa et al.
Inorganic chemistry, 50(14), 6711-6718 (2011-06-16)
Hydrogen-bonded assemblies of the two-electron reduced mixed-valence Keggin clusters [PMo(12)O(40)](5-) and [SiMo(12)O(40)](6-) were obtained by the one-pot electron-transfer reactions between p-phenylenediamine (PPD) or 2,3,5,6-tetramethyl-PPD (TMPPD) (donors) and H(+)(3)[PMo(12)O(40)](3-) or H(+)(4)[SiMo(12)O(40)](4-) (acceptors) in CH(3)CN. The redox states of the [PMo(12)O(40)](5-) and
Zhi Ming Cui et al.
Chemical communications (Cambridge, England), 47(29), 8418-8420 (2011-06-28)
HPMo self-assembly on carbon nanotubes followed by decomposition is used to fabricate highly dispersed MoO(x)/CNTs as a support for high performance of a Pt catalyst towards methanol oxidation.
MoS2-reduced graphene oxide composites via microwave assisted synthesis for sodium ion battery anode with improved capacity and cycling performance.
Qin W, et al.
Electrochimica Acta, 153, 55-61 (2015)

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