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Merck
CN

79560

Phosphomolybdic acid hydrate

suitable for microscopy

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:
41115710
EC Number:
234-713-5
MDL number:
Form:
crystals
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form

crystals

Quality Level

reaction suitability

reagent type: oxidant

technique(s)

thin layer chromatography (TLC): suitable

loss

21-23% loss on drying, 110 °C

density

1.62 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤50 mg/kg, sulfate (SO42-): ≤100 mg/kg

cation traces

Ca: ≤50 mg/kg, Cd: ≤5 mg/kg, Co: ≤20 mg/kg, Cr: ≤5 mg/kg, Cu: ≤10 mg/kg, Fe: ≤50 mg/kg, K: ≤50 mg/kg, Mg: ≤20 mg/kg, Mn: ≤100 mg/kg, NH4+: ≤30 mg/kg, Na: ≤50 mg/kg, Ni: ≤10 mg/kg, Pb: ≤20 mg/kg, Zn: ≤50 mg/kg

suitability

suitable for microscopy

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

InChI

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

InChI key

PDDXOPNEMCREGN-UHFFFAOYSA-N

General description

Phosphomolybdic acid hydrate (PAH) is yellow and crystallisable compound. It precipitates from potash, oxides of rubidium, caesium and thallium, ammonia and other nitrogenous organic alkaloids.

Application

PAH was used in preparing Mo-Al2O3 catalysts in an attempt to produce ultra-low sulphur diesel.
A precursor to hybrid organic-inorganic based molecular batteries with applications as cation-insertion electrodes.

Other Notes

Review: of the folin phenol method for the quantitative determination of proteins.


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signalword

Danger

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

pictograms

Corrosion

hcodes

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class

8A - Combustible corrosive hazardous materials



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Chemical News
A new precipitant for Potash, 183-183 (1868)
Ultra-deep oxidative desulfurization of diesel fuel by the Mo/Al 2 O 3-H 2 O 2 system: The effect of system parameters on catalytic activity.
Garcia-Gutierrez, Jose Luis, et al.
Applied Catalysis A: General, 334, 366-373 (2008)
Review of the Folin phenol protein quantitation method of Lowry, Rosebrough, Farr and Randall.
G L Peterson
Analytical biochemistry, 100(2), 201-220 (1979-12-01)



Global Trade Item Number

SKUGTIN
79560-100G04061832921105