A7302
Ammonium molybdate tetrahydrate
ACS reagent, 81.0-83.0% MoO3 basis
Synonym(s):
Ammonium heptamolybdate tetrahydrate, Molybdic acid ammonium salt tetrahydrate
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About This Item
grade
ACS reagent
Quality Level
agency
suitable for SM 5210
assay
81.0-83.0% MoO3 basis
form
crystalline
reaction suitability
reagent type: catalyst
core: molybdenum
impurities
≤0.005% Insoluble matter
density
2.498 g/mL at 25 °C (lit.)
anion traces
arsenate, phosphate, and silicate (as SiO2): ≤0.001%, chloride (Cl-): ≤0.002%, nitrate (NO3-): passes test (limit about 0.003%), phosphate (PO43-): ≤5 ppm, sulfate (SO42-): ≤0.02%
cation traces
Mg: ≤0.005%, heavy metals: ≤0.001% (as lead)
storage temp.
room temp
SMILES string
N.N.N.N.N.N.O.O.O.O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O.O[Mo](O)(=O)=O
InChI
1S/7Mo.6H3N.10H2O.18O/h;;;;;;;6*1H3;10*1H2;;;;;;;;;;;;;;;;;;/q;;;;3*+2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/p-6
InChI key
FIXLYHHVMHXSCP-UHFFFAOYSA-H
General description
Application
- A molybdenum source in the synthesis of sodium molybdate dihydrate (Na2MoO4·2H2O).
- A molybdenum source in the synthesis of nickel molybdate nanorods (NiMoO4) by co-precipitation method in the presence of nickel benzoate as a nickel source.
- A precursor in the synthesis of Mn-MoS2 (MMS). MMS is employed in the production of MMS/rGO (reduced graphene oxide) composite that exhibits the highest rhodamine B (RhB) degradation efficiency.
- A catalyst in the synthesis of PVDF (polyvinylidene fluoride) catalytic microcapsules. PVDF is a heterogeneous catalyst for the selective oxidation of benzyl alcohol to benzaldehyde.
Analysis Note
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flash_point_f
Not applicable
flash_point_c
Not applicable
Storage Class
13 - Non Combustible Solids
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Protocols
To measure 5′-nucleotidase activity, this procedure uses adenosine 5’-monophosphate and a color reagent to create a standard curve for determining the micromoles of phosphorus liberated.
To measure glucose-6-phosphatase activity, the Taussky-Shorr method is used. This method is a spectrophotometric stop-rate determination assay that is measured at 660 nm.
Related Content
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.