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1.06524

Sodium molybdate dihydrate

EMPLURA®

Synonyme(s) :

Sodium molybdate dihydrate

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A propos de cet article

Formule empirique (notation de Hill) :
MoNa2O4 · 2H2O
Numéro CAS:
10102-40-6
Poids moléculaire :
241.95
UNSPSC Code:
12352302
EC Index Number:
231-551-7
NACRES:
NA.21
MDL number:
MFCD00149170
Assay:
98.0-103.0% dry basis (precipitation titration)
Form:
crystals
Solubility:
840 g/L
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Quality Level

200

product line

EMPLURA®

assay

98.0-103.0% dry basis (precipitation titration)

form

crystals

potency

4233 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rat)

loss

14.0-16.0% loss on drying, 140 °C

pH

9-10 (20 °C, 840 g/L in H2O)

mp

687 °C (Elimination of water of crystallisation)

solubility

840 g/L

density

2.71 g/cm3 at 22 °C (for the dihydrate)

bulk density

1000‑1400 kg/m3

anion traces

chloride (Cl-): ≤0.005%, phosphate (PO43-): ≤0.02%

cation traces

NH4+: ≤0.001%, heavy metals (as Pb): ≤0.001%

storage temp.

2-30°C

SMILES string

[Mo](=O)(=O)([O-])[O-].[Na+].[Na+]

InChI

1S/Mo.2Na.4O/q;2*+1;;;2*-1

InChI key

TVXXNOYZHKPKGW-UHFFFAOYSA-N

Application


  • Fluorescent Molybdenum Disulfide Quantum Dots: Sodium molybdate dihydrate is employed in the synthesis of molybdenum disulfide quantum dots. These quantum dots are used for sensitive detection of curcumin in food samples through the FRET mechanism, illustrating its potential in enhancing food safety and quality analysis (Wang et al., 2024).

  • Anderson-Evans Type Polyoxometalates: Research involving sodium molybdate dihydrate focuses on the synthesis and characterization of Anderson-Evans type polyoxometalates, exploring their antibacterial properties. This study contributes significantly to pharmaceutical and biomedical research, offering new avenues for antibacterial material development (Avci Özbek, 2023).

  • Enhanced Hydrophobicity and Antimicrobial Activity: Sodium molybdate dihydrate is used in the embellishment of 2-D MoS2 nanosheets on lotus thread devices. The resulting enhancement in hydrophobicity and antimicrobial activity demonstrates its utility in material science, specifically in developing advanced functional materials (Selvam et al., 2022).

Analysis Note

Assay (precipitative titration, calculated on dried substance): 98.0 - 103.0 %
Identity: passes test
Appearance of solution: passes test
Chloride (Cl): ≤ 0.005 %
Phosphate (PO₄): ≤ 0.02 %
NH₄ (Ammonium): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.001 %
Loss on drying (140 °C): 14.0 - 16.0 %

Legal Information

EMPLURA is a registered trademark of Merck KGaA, Darmstadt, Germany

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