1.06672

Sodium tungstate dihydrate

EMPLURA^®

• Sinónimos: Sodium tungstate dihydrate
• Fórmula empírica (notación de Hill): Na₂O₄W · 2H₂O
• Número de CAS: 10213-10-2
• Peso molecular: 329.85
• Número MDL: MFCD00149190
• Código UNSPSC: 12352302
• Número índice de la CE: 236-743-4
• NACRES: NA.21

Propiedades

• Nivel de calidad: 200
• Línea del producto: EMPLURA^®
• Análisis: ≥98% (thermogravimetric)
• formulario: crystals
• potencia: 1190 mg/kg LD₅₀, oral (Rat)
• pH: 8-9 (20 °C, 50 g/L in H₂O)
• mp: 100 °C (Elimination of water of crystallisation)
• solubilidad: 730 g/L
• densidad: 3.23 g/cm³ at 20 °C
• densidad aparente: 1600 kg/m³
• trazas de anión: chloride (Cl^-): ≤0.01%; sulfate (SO₄^2-): ≤0.02%
• trazas de catión: Fe: ≤0.002%; N: ≤0.005%; excess alkali (as NaOH): ≤0.1%
• temp. de almacenamiento: 15-25°C
• InChI: 1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
• Clave InChI: WPZFLQRLSGVIAA-UHFFFAOYSA-N

Descripción

Aplicación

• Synthesis and characterization of Anderson-Evans type polyoxometalates, antibacterial properties.: This research focuses on the synthesis and characterization of Anderson-Evans type polyoxometalates, evaluating their antibacterial properties. Sodium tungstate dihydrate is used in the synthesis process to form these polyoxometalates. (Avci Özbek, 2023).


• Nitric oxide modulates folate-mediated one-carbon metabolism and mitochondrial energy levels of peaches during cold storage.: This study explores the role of nitric oxide in modulating folate-mediated one-carbon metabolism and mitochondrial energy levels in peaches during cold storage. Sodium tungstate dihydrate is used as an analytical reagent in the experiments. (Yang et al., 2023).


• Facile Bottom-up Preparation of WS(2)-Based Water-Soluble Quantum Dots as Luminescent Probes for Hydrogen Peroxide and Glucose.: Details a novel method for preparing WS(2)-based water-soluble quantum dots used as luminescent probes for detecting hydrogen peroxide and glucose. Sodium tungstate dihydrate is used in the preparation of these quantum dots. (Hang et al., 2019).

Nota de análisis

Assay (thermogravimetric): ≥ 98 %
Identity (x-ray diffraction): passes test
Free alkali (as NaOH): ≤ 0.1 %
Chloride (Cl): ≤ 0.01 %
Sulfate (SO₄): ≤ 0.02 %
Total nitrogen (N): ≤ 0.005 %
Fe (Iron): ≤ 0.002 %

Información legal

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

Información de seguridad

• Pictogramas: GHS07
• Palabra de señalización: Warning
• Frases de peligro: H302
• Consejos de prudencia: P264 - P270 - P301 + P312 - P501
• Clasificaciones de peligro: Acute Tox. 4 Oral
• Código de clase de almacenamiento: 13 - Non Combustible Solids
• Clase de riesgo para el agua (WGK): WGK 2
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable