1.06672

Sodium tungstate dihydrate

EMPLURA^®

• 別名: Sodium tungstate dihydrate
• 実験式（ヒル表記法）: Na₂O₄W · 2H₂O
• CAS番号: 10213-10-2
• 分子量: 329.85
• MDL番号: MFCD00149190
• UNSPSCコード: 12352302
• EC Index Number: 236-743-4
• NACRES: NA.21
• アッセイ: ≥98% (thermogravimetric)
• フォーム: crystals
• 溶解性: 730 g/L

特性

• 品質水準: 200
• 製品種目: EMPLURA^®
• アッセイ: ≥98% (thermogravimetric)
• フォーム: crystals
• 有効性: 1190 mg/kg LD₅₀, oral (Rat)
• pH: 8-9 (20 °C, 50 g/L in H₂O)
• mp: 100 °C (Elimination of water of crystallisation)
• 溶解性: 730 g/L
• 密度: 3.23 g/cm³ at 20 °C
• かさ密度: 1600 kg/m³
• 微量陰イオン: chloride (Cl^-): ≤0.01%; sulfate (SO₄^2-): ≤0.02%
• 微量陽イオン: Fe: ≤0.002%; N: ≤0.005%; excess alkali (as NaOH): ≤0.1%
• 保管温度: 15-25°C
• InChI: 1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
• InChI Key: WPZFLQRLSGVIAA-UHFFFAOYSA-N

詳細

アプリケーション

• 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).

アナリシスノート

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 %

法的情報

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

安全性情報

• ピクトグラム: GHS07
• シグナルワード: Warning
• 危険有害性情報: H302
• 注意書き: P264 - P270 - P301 + P312 - P501
• 危険有害性の分類: Acute Tox. 4 Oral
• 保管分類コード: 13 - Non Combustible Solids
• WGK: WGK 2
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable