1.06673

Sodium tungstate dihydrate

for analysis EMSURE^®

• 동의어(들): Sodium tungstate dihydrate
• 실험식(Hill 표기법): Na₂O₄W · 2H₂O
• CAS Number: 10213-10-2
• Molecular Weight: 329.85
• MDL number: MFCD00149190
• UNSPSC 코드: 12352302
• EC 인덱스 번호: 236-743-4
• NACRES: NA.21

속성

• Quality Level: 300
• 제품 라인: EMSURE^®
• 분석: ≥99% (thermogravimetric)
• 형태: crystals
• 효능: 1190 mg/kg LD₅₀, oral (Rat)
• pH: 8-9 (20 °C, 50 g/L in H₂O)
• mp: 100 °C (Elimination of water of crystallisation)
• solubility: 730 g/L
• density: 3.23 g/cm³ at 20 °C
• 벌크 밀도: 1600 kg/m³
• 음이온 미량물: chloride (Cl^-): ≤0.003%; sulfate (SO₄^2-): ≤0.01%
• 양이온 미량물: Fe: ≤0.0005%; Mo: ≤0.005%; N: ≤0.001%; Pb: ≤0.001%; excess alkali (as NaOH): ≤0.10%
• 저장 온도: 15-25°C
• InChI: 1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
• InChI key: WPZFLQRLSGVIAA-UHFFFAOYSA-N

설명

애플리케이션

• 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).

분석 메모

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 %

법적 정보

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

안전성 정보

• 픽토그램: GHS07
• 신호어: Warning
• 유해 및 위험 성명서: H302
• 예방조치 성명서: P264 - P270 - P301 + P312 - P501
• Hazard Classifications: Acute Tox. 4 Oral
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 2
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable