1.00583

Tungstophosphoric acid hydrate

for analysis EMSURE^®

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

Propiedades

• Nivel de calidad: 300
• Línea del producto: EMSURE^®
• formulario: solid
• potencia: 3300 mg/kg LD₅₀, oral (Rat)
• pérdida: ≤17% loss on ignition, 750 °C
• pH: 1.3 (20 °C, 20 g/L in H₂O)
• mp: 107 °C
• solubilidad: water: soluble at 20 °C
• densidad aparente: 960 kg/m³
• trazas de anión: chloride (Cl^-): ≤50 ppm; sulfate (SO₄^2-): ≤100 ppm
• trazas de catión: Cu: ≤10 ppm; Fe: ≤20 ppm; K: ≤200 ppm; Na: ≤200 ppm; Pb: ≤20 ppm
• temp. de almacenamiento: 15-25°C
• InChI: 1S/H3O4P.H2O.36O.12W/c1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h(H3,1,2,3,4);1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
• Clave InChI: AVFBYUADVDVJQL-UHFFFAOYSA-N

Descripción

Aplicación

• 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).

Ligadura / enlace

Replaces: PX1055; PX1055-4

Nota de análisis

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 %

Información legal

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

Información de seguridad

• Pictogramas: GHS05,GHS07,GHS09
• Palabra de señalización: Danger
• Frases de peligro: H302 - H314 - H411
• Consejos de prudencia: P260 - P273 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Clasificaciones de peligro: Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1C
• Código de clase de almacenamiento: 8B - Non-combustible, corrosive hazardous materials
• Clase de riesgo para el agua (WGK): WGK 2
• Punto de inflamabilidad (°F): Not applicable
• Punto de inflamabilidad (°C): Not applicable