1.00583

Tungstophosphoric acid hydrate

for analysis EMSURE^®

• 別名: Tungstophosphoric acid hydrate, Phosphotungstic acid
• 化学式: H₃[P(W₃O₁₀)₄] · x H₂O
• CAS番号: 12501-23-4
• 分子量: 2880.05 (anhydrous basis)
• MDL番号: MFCD00149915
• UNSPSCコード: 12352301
• EC Index Number: 215-682-7
• NACRES: NA.21
• pH: 1.3 (20 °C, 20 g/L in H₂O)

特性

• 品質水準: 300
• 製品種目: EMSURE^®
• フォーム: solid
• 有効性: 3300 mg/kg LD₅₀, oral (Rat)
• 損失: ≤17% loss on ignition, 750 °C
• pH: 1.3 (20 °C, 20 g/L in H₂O)
• mp: 107 °C
• 溶解性: water: soluble at 20 °C
• かさ密度: 960 kg/m³
• 微量陰イオン: chloride (Cl^-): ≤50 ppm; sulfate (SO₄^2-): ≤100 ppm
• 微量陽イオン: Cu: ≤10 ppm; Fe: ≤20 ppm; K: ≤200 ppm; Na: ≤200 ppm; Pb: ≤20 ppm
• 保管温度: 15-25°C
• SMILES記法: [W](=O)(=O)=O.[W](=O)(=O)=O.[W](=O)(=O)=O.[W](=O)(=O)=O.[W](=O)(=O)=O.[W](=O)(=O)=O.[W](=O)(=O)=O.[W](=O)(=O)=O.[W](=O)(=O)=O.[W](=O)(=O)=O.[W](=O)(=O)=O.[W](=O)(=O)=O.[P](=O)(O)(O)O.O
• InChI: 1S/H3O4P.H2O.36O.12W/c1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h(H3,1,2,3,4);1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
• InChI Key: AVFBYUADVDVJQL-UHFFFAOYSA-N

詳細

アプリケーション

• Calixarene based portable sensor for the direct assay of indiscriminate ephedrine content of weight loss herbal preparations.: Tungstophosphoric acid hydrate is utilized as a proton conductor in the development of a calixarene-based sensor, enabling precise detection of ephedrine in herbal products, showcasing its application in analytical chemistry for public health safety (Wahba et al., 2021).


• A New Solid-State Proton Conductor: The Salt Hydrate Based on Imidazolium and 12-Tungstophosphate.: This article presents tungstophosphoric acid hydrate as a key component in a novel solid-state proton conductor, offering significant advancements in materials science for fuel cells and other energy applications (Martinelli et al., 2021).


• Location, acid strength, and mobility of the acidic protons in Keggin 12-H3PW12O40: a combined solid-state NMR spectroscopy and DFT quantum chemical calculation study.: The research investigates the acidic properties and proton mobility of tungstophosphoric acid hydrate using advanced NMR and DFT techniques, providing valuable insights for catalysis and materials science (Yang et al., 2005).

関連事項

Replaces: PX1055; PX1055-4

アナリシスノート

Chloride (Cl): ≤ 50 ppm
Sulfate (SO₄): ≤ 100 ppm
Cu (Copper): ≤ 10 ppm
Fe (Iron): ≤ 20 ppm
K (Potassium): ≤ 200 ppm
Na (Sodium): ≤ 200 ppm
Pb (Lead): ≤ 20 ppm
Loss on ignition (750 °C): ≤ 17 %

法的情報

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

安全性情報

• ピクトグラム: GHS05,GHS07,GHS09
• シグナルワード: Danger
• 危険有害性情報: H302 - H314 - H411
• 注意書き: P260 - P273 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• 危険有害性の分類: Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1C
• 保管分類コード: 8B - Non-combustible, corrosive hazardous materials
• WGK: WGK 2
• 引火点(°F): Not applicable
• 引火点(℃): Not applicable