1.00583

Tungstophosphoric acid hydrate

for analysis EMSURE^®

• Sinônimo(s): Tungstophosphoric acid hydrate, Phosphotungstic acid
• Fórmula linear: H₃[P(W₃O₁₀)₄] · x H₂O
• Número CAS: 12501-23-4
• Peso molecular: 2880.05 (anhydrous basis)
• Número MDL: MFCD00149915
• Código UNSPSC: 12352301
• Número do índice EC: 215-682-7
• NACRES: NA.21

Propriedades

• grau: reagent
• Nível de qualidade: 300
• linha de produto: EMSURE^®
• Formulário: solid
• potência: 3300 mg/kg LD₅₀, oral (Rat)
• perda: ≤17% loss on ignition, 750 °C
• pH: 1.3 (20 °C, 20 g/L in H₂O)
• pf: 107 °C
• solubilidade: water: soluble at 20 °C
• densidade volumétrica: 960 kg/m³
• traços de ânion: chloride (Cl^-): ≤50 ppm; sulfate (SO₄^2-): ≤100 ppm
• traços de cátion: Cu: ≤10 ppm; Fe: ≤20 ppm; K: ≤200 ppm; Na: ≤200 ppm; Pb: ≤20 ppm
• temperatura de armazenamento: 15-25°C
• cadeia de caracteres SMILES: [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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
• chave InChI: AVFBYUADVDVJQL-UHFFFAOYSA-N

Descrição

Aplicação

• 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).

Ligação

Replaces: PX1055; PX1055-4

Nota de análise

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 %

Informações legais

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

Informações de segurança

• Pictogramas: GHS05,GHS07,GHS09
• Palavra indicadora: Danger
• Frases de perigo: H302 - H314 - H411
• Declarações de precaução: P260 - P273 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Classificações de perigo: Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1C
• Código de classe de armazenamento: 8B - Non-combustible, corrosive hazardous materials
• Classe de risco de água (WGK): WGK 2
• Ponto de fulgor (°F): Not applicable
• Ponto de fulgor (°C): Not applicable