1.00583

Tungstophosphoric acid hydrate

for analysis EMSURE^®

• Sinonimo/i: Tungstophosphoric acid hydrate, Phosphotungstic acid
• Formula condensata: H₃[P(W₃O₁₀)₄] · x H₂O
• Numero CAS: 12501-23-4
• Peso molecolare: 2880.05 (anhydrous basis)
• Numero MDL: MFCD00149915
• Codice UNSPSC: 12352301
• Numero indice EU: 215-682-7
• NACRES: NA.21

Proprietà

• Livello qualitativo: 300
• Nome Commerciale: EMSURE^®
• Forma fisica: solid
• Potenza: 3300 mg/kg LD₅₀, oral (Rat)
• Perdita: ≤17% loss on ignition, 750 °C
• pH: 1.3 (20 °C, 20 g/L in H₂O)
• Punto di fusione: 107 °C
• Solubilità: water: soluble at 20 °C
• Densità bulk: 960 kg/m³
• Anioni in tracce: chloride (Cl^-): ≤50 ppm; sulfate (SO₄^2-): ≤100 ppm
• Cationi in tracce: Cu: ≤10 ppm; Fe: ≤20 ppm; K: ≤200 ppm; Na: ≤200 ppm; Pb: ≤20 ppm
• Temperatura di conservazione: 15-25°C
• InChI: 1S/H3O4P.H2O.36O.12W/c1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h(H3,1,2,3,4);1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; AVFBYUADVDVJQL-UHFFFAOYSA-N

Descrizione

Applicazioni

• 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).

Linkage

Replaces: PX1055; PX1055-4

Risultati analitici

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 %

Note legali

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

Informazioni sulla sicurezza

• Pittogrammi: GHS05,GHS07,GHS09
• Avvertenze: Danger
• Indicazioni di pericolo: H302 - H314 - H411
• Consigli di prudenza: P260 - P273 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Classi di pericolo: Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1C
• Codice della classe di stoccaggio: 8B - Non-combustible, corrosive hazardous materials
• Classe di pericolosità dell'acqua (WGK): WGK 2
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable