1.06672

Sodium tungstate dihydrate

EMPLURA^®

• 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: 200
• 제품 라인: EMPLURA^®
• 분석: ≥98% (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^-): ≤0.01%; sulfate (SO₄^2-): ≤0.02%
• 양이온 미량물: Fe: ≤0.002%; N: ≤0.005%; excess alkali (as NaOH): ≤0.1%
• 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

• 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).

분석 메모

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 %

법적 정보

EMPLURA 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