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1.06521

Supelco

Sodium molybdate dihydrate

ACS, Reag. Ph Eur, for analysis EMSURE®

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Synonym(s):
Sodium molybdate dihydrate
Empirical Formula (Hill Notation):
MoNa2O4 · 2H2O
CAS Number:
Molecular Weight:
241.95
MDL number:
UNSPSC Code:
12352302
EC Index Number:
231-551-7
NACRES:
NA.21

Quality Level

product line

EMSURE®

assay

99.5-103.0% (precipitation titration)

form

crystals

potency

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

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%
nitrate (NO3-): ≤0.005%
phosphate, silicate, arsenate (as PO43-): ≤0.001%
sulfate (SO42-): ≤0.005%

cation traces

Fe: ≤0.001%
NH4+: ≤0.001%
Pb: ≤0.001%

storage temp.

2-30°C

InChI

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

InChI key

TVXXNOYZHKPKGW-UHFFFAOYSA-N

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Related Categories

Application


  • Fluorescent Molybdenum Disulfide Quantum Dots for Sensitive Detecting Curcumin in Food Samples through FRET Mechanism.: This study explores the use of sodium molybdate dihydrate in synthesizing molybdenum disulfide quantum dots. These dots are applied in a FRET-based sensor for detecting curcumin in food, illustrating a novel approach in food safety and quality monitoring (Wang S et al., 2024).


  • Synthesis and characterization of Anderson-Evans type polyoxometalates, antibacterial properties.: Sodium molybdate dihydrate is used in the synthesis of Anderson-Evans type polyoxometalates. This research focuses on their potential antibacterial applications, contributing to the development of new antimicrobial agents (Avci Özbek H, 2023).



  • Embellishing 2-D MoS(2) Nanosheets on Lotus Thread Devices for Enhanced Hydrophobicity and Antimicrobial Activity.: In this innovative study, sodium molybdate dihydrate is employed to enhance the properties of MoS(2) nanosheets, showcasing its utility in creating hydrophobic and antimicrobial surfaces, which can have various practical applications (Selvam GS et al., 2022).


Analysis Note

Assay (precipitative titration): 99.5 – 103.0 %
pH-value (5 %; water): 7.0 - 10.5
Chloride (Cl): ≤ 0.005 %
Nitrate (NO₃): ≤ 0.005 %
Phosphate, Arsenate, Silicate (as PO₄): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.005 %
Fe (Iron): ≤ 0.001 %
NH₄ (Ammonium): ≤ 0.001 %
Pb (Lead): ≤ 0.001 %

Legal Information

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

Storage Class

13 - Non Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


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