1.06673

Sodium tungstate dihydrate

for analysis EMSURE^®

• Synonyme(s) : Sodium tungstate dihydrate
• Formule empirique (notation de Hill): Na₂O₄W · 2H₂O
• Numéro CAS: 10213-10-2
• Poids moléculaire : 329.85
• Numéro MDL: MFCD00149190
• Code UNSPSC : 12352302
• Numéro de classement CE : 236-743-4
• Nomenclature NACRES : NA.21

Propriétés

• Niveau de qualité: 300
• Gamme de produits: EMSURE^®
• Pureté: ≥99% (thermogravimetric)
• Forme: crystals
• Puissance: 1190 mg/kg LD₅₀, oral (Rat)
• pH: 8-9 (20 °C, 50 g/L in H₂O)
• Pf: 100 °C (Elimination of water of crystallisation)
• Solubilité: 730 g/L
• Densité: 3.23 g/cm³ at 20 °C
• Masse volumique apparente: 1600 kg/m³
• Traces d'anions: chloride (Cl^-): ≤0.003%; sulfate (SO₄^2-): ≤0.01%
• Traces de cations: Fe: ≤0.0005%; Mo: ≤0.005%; N: ≤0.001%; Pb: ≤0.001%; excess alkali (as NaOH): ≤0.10%
• Température de stockage: 15-25°C
• InChI: 1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
• Clé InChI: WPZFLQRLSGVIAA-UHFFFAOYSA-N

Description

Application

• Sodium Tungstate Dihydrate (Na2WO4.2H2O): A Mild Oxidizing and Efficient Reagent in Organic Synthesis: This study highlights the use of sodium tungstate dihydrate as a mild and efficient oxidizing agent in organic synthesis. Its applications in various oxidation reactions are discussed, showcasing its versatility and effectiveness in synthesizing complex organic molecules (Jordao et al., 2022).


• New Findings of Pseudocapacitive Behaviors in Cupric Tungstate Dihydrate: This research uncovers pseudocapacitive properties in cupric tungstate dihydrate, prepared using sodium tungstate dihydrate. The findings contribute to the development of advanced energy storage materials with high capacitance and stability (Gao et al., 2022).

Remarque sur l'analyse

Assay (thermogravimetric): ≥ 99 %
Identity (x-ray diffraction): passes test
Free alkali (as NaOH): ≤ 0.10 %
Chloride (Cl): ≤ 0.003 %
Sulfate (SO₄): ≤ 0.01 %
Total nitrogen (N): ≤ 0.001 %
Fe (Iron): ≤ 0.0005 %
Mo (Molybdenum): ≤ 0.005 %
Pb (Lead): ≤ 0.001 %

Informations légales

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

Informations sur la sécurité

• Pictogrammes: GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H302
• Conseils de prudence: P264 - P270 - P301 + P312 - P501
• Classification des risques: Acute Tox. 4 Oral
• Code de la classe de stockage: 13 - Non Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable