1.00583

Tungstophosphoric acid hydrate

for analysis EMSURE^®

• Synonyme(s) : Tungstophosphoric acid hydrate, Phosphotungstic acid
• Formule linéaire : H₃[P(W₃O₁₀)₄] · x H₂O
• Numéro CAS: 12501-23-4
• Poids moléculaire : 2880.05 (anhydrous basis)
• Numéro MDL: MFCD00149915
• Code UNSPSC : 12352301
• Numéro de classement CE : 215-682-7
• Nomenclature NACRES : NA.21

Propriétés

• Niveau de qualité: 300
• Gamme de produits: EMSURE^®
• Forme: solid
• Puissance: 3300 mg/kg LD₅₀, oral (Rat)
• Perte: ≤17% loss on ignition, 750 °C
• pH: 1.3 (20 °C, 20 g/L in H₂O)
• Pf: 107 °C
• Solubilité: water: soluble at 20 °C
• Masse volumique apparente: 960 kg/m³
• Traces d'anions: chloride (Cl^-): ≤50 ppm; sulfate (SO₄^2-): ≤100 ppm
• Traces de cations: Cu: ≤10 ppm; Fe: ≤20 ppm; K: ≤200 ppm; Na: ≤200 ppm; Pb: ≤20 ppm
• Température de stockage: 15-25°C
• InChI: 1S/H3O4P.H2O.36O.12W/c1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h(H3,1,2,3,4);1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
• Clé InChI: AVFBYUADVDVJQL-UHFFFAOYSA-N

Description

Application

• 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).

Liaison

Replaces: PX1055; PX1055-4

Remarque sur l'analyse

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 %

Informations légales

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

Informations sur la sécurité

• Pictogrammes: GHS05,GHS07,GHS09
• Mention d'avertissement: Danger
• Mentions de danger: H302 - H314 - H411
• Conseils de prudence: P260 - P273 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Classification des risques: Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1C
• Code de la classe de stockage: 8B - Non-combustible, corrosive hazardous materials
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable