331058

Sodium molybdate dihydrate

ACS reagent, ≥99%

• Synonym(s): Molybdic acid sodium salt dihydrate
• Linear Formula: Na₂MoO₄ · 2H₂O
• CAS Number: 10102-40-6
• Molecular Weight: 241.95
• EC Number: 231-551-7
• MDL number: MFCD00149170
• UNSPSC Code: 12352302
• PubChem Substance ID: 329754456
• NACRES: NA.21

Properties

• grade: ACS reagent
• assay: ≥99%
• form: powder or crystals
• reaction suitability: reagent type: catalyst; core: molybdenum
• impurities: ≤0.005% insolubles
• pH: 7.0-10.5 (25 °C, 5%)
• mp: 100 °C (dec.) (lit.)
• anion traces: chloride (Cl^-): ≤0.005%; phosphate (PO₄^3-): ≤5 ppm; sulfate (SO₄^2-): ≤0.015%
• cation traces: Fe: ≤0.001%; NH₄⁺: ≤0.001%; heavy metals (as Pb): ≤5 ppm
• SMILES string: O.O.[Na+].[Na+].[O-][Mo]([O-])(=O)=O
• InChI: 1S/Mo.2Na.2H2O.4O/h;;;2*1H2;;;;/q;2*+1;;;;;2*-1
• InChI key: FDEIWTXVNPKYDL-UHFFFAOYSA-N

Description

General description

Sodium molybdate dihydrate (Na₂MoO₄.2H₂O) is basic in nature. Its crystals belong to the orthorhombic crystal system and space group Pbca.

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).

Safety Information

• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable