1.06672

Sodium tungstate dihydrate

EMPLURA^®

• 同義詞: Sodium tungstate dihydrate
• 經驗公式（希爾表示法）: Na₂O₄W · 2H₂O
• CAS號碼: 10213-10-2
• 分子量：: 329.85
• MDL號碼: MFCD00149190
• 分類程式碼代碼: 12352302
• 酶委員會索引編號: 236-743-4
• NACRES: NA.21

屬性

• 品質等級: 200
• 產品線: EMPLURA^®
• 化驗: ≥98% (thermogravimetric)
• 形狀: crystals
• 效力: 1190 mg/kg LD₅₀, oral (Rat)
• pH值: 8-9 (20 °C, 50 g/L in H₂O)
• mp: 100 °C (Elimination of water of crystallisation)
• 溶解度: 730 g/L
• 密度: 3.23 g/cm³ at 20 °C
• 體積密度: 1600 kg/m³
• 負離子痕跡: chloride (Cl^-): ≤0.01%; sulfate (SO₄^2-): ≤0.02%
• 正離子痕跡: Fe: ≤0.002%; N: ≤0.005%; excess alkali (as NaOH): ≤0.1%
• 儲存溫度: 15-25°C
• InChI: 1S/2Na.2H2O.4O.W/h;;2*1H2;;;;;/q2*+1;;;;;2*-1;
• InChI 密鑰: WPZFLQRLSGVIAA-UHFFFAOYSA-N

描述

應用

• 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).

分析報告

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 %

法律資訊

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

安全資訊

• 象形圖: GHS07
• 訊號詞: Warning
• 危險聲明: H302
• 防範說明: P264 - P270 - P301 + P312 - P501
• 危險分類: Acute Tox. 4 Oral
• 儲存類別代碼: 13 - Non Combustible Solids
• 水污染物質分類（WGK）: WGK 2
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable