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1.01181

Supelco

Ammonium heptamolybdate tetrahydrate

(ammonium molybdate) powder extra pure

Sinónimos:

Ammonium heptamolybdate tetrahydrate, Ammonium molybdate, Hexammonium heptamolybdate 4-hydrate

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About This Item

Fórmula lineal:
(NH4)6Mo7O24 · 4 H2O
Número de CAS:
Peso molecular:
1235.86
MDL number:
UNSPSC Code:
12352302
EC Index Number:
234-722-4
NACRES:
NB.21

Quality Level

form

solid

pH

5.3 (20 °C, 50 g/L in H2O)

mp

90 °C (Elimination of water of crystallisation)

solubility

400 g/L

density

2.498 g/cm3 at 20 °C

bulk density

800 kg/m3

storage temp.

2-30°C

InChI

1S/Mo.H3N.H2O.O/h;1H3;1H2;/q;;;-2/p+1

InChI key

XCOMAVCHADVANQ-UHFFFAOYSA-O

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Application


  • A Novel Hydro-Thermal Synthesis of Nano-Structured Molybdenum-Iron Intermetallic Alloys at Relatively Low Temperatures.: This study explores the hydro-thermal synthesis of nano-structured molybdenum-iron intermetallic alloys using ammonium heptamolybdate tetrahydrate, highlighting its application in advanced material synthesis (El-Geassy et al., 2023).

  • Alternative Preparation of Improved NiMo-Alumina Deoxygenation Catalysts.: The research focuses on the use of ammonium heptamolybdate tetrahydrate in the preparation of NiMo-Alumina catalysts for deoxygenation reactions, emphasizing its role in catalytic chemistry (Priecel et al., 2020).

  • Chromatographic identification of "green capping agents" extracted from Nasturtium officinale (Brassicaceae) leaves for the synthesis of MoO(3) nanoparticles.: This paper discusses the synthesis of MoO3 nanoparticles using ammonium heptamolybdate tetrahydrate and green capping agents, showcasing its relevance in green chemistry and nanotechnology (Shaheen & Ahmad, 2020).

  • Preparation of h-MoO3 and α-MoO3 nanocrystals: comparative study on photocatalytic degradation of methylene blue under visible light irradiation.: The study investigates the photocatalytic properties of MoO3 nanocrystals synthesized from ammonium heptamolybdate tetrahydrate, highlighting its application in environmental chemistry for pollutant degradation (Chithambararaj et al., 2013).

  • Novel MoO2/carbon hierarchical nano/microcomposites: synthesis, characterization, solid state transformations and thiophene HDS activity.: This research focuses on the synthesis of MoO2/carbon composites using ammonium heptamolybdate tetrahydrate, emphasizing its catalytic applications in hydrodesulfurization (HDS) of thiophene (Avendaño et al., 2013).

Analysis Note

Assay (precipitative titration): ≥ 99.0 %
Identity: passes test
Chloride (Cl): ≤ 0.002 %
Phosphate, Arsenate, Silicate (as PO₄): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.02 %
Fe (Iron): ≤ 0.002 %

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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