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1.00583

Tungstophosphoric acid hydrate

Name: Tungstophosphoric acid hydrate
Brand: MM

for analysis EMSURE^®

别名:

Tungstophosphoric acid hydrate, Phosphotungstic acid

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关于此项目

线性分子式:

H₃[P(W₃O₁₀)₄] · x H₂O

化学文摘社编号:

12501-23-4

分子量:

2880.05 (anhydrous basis)

UNSPSC Code:

12352301

EC Index Number:

215-682-7

NACRES:

NA.21

MDL number:

MFCD00149915

Form:

solid

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属性

Quality Level

300

product line

EMSURE^®

form

solid

potency

3300 mg/kg LD₅₀, oral (Rat)

loss

≤17% loss on ignition, 750 °C

pH

1.3 (20 °C, 20 g/L in H₂O)

mp

107 °C

solubility

water: soluble at 20 °C

bulk density

960 kg/m³

anion traces

chloride (Cl^-): ≤50 ppm, sulfate (SO₄^2-): ≤100 ppm

cation traces

Cu: ≤10 ppm, Fe: ≤20 ppm, K: ≤200 ppm, Na: ≤200 ppm, Pb: ≤20 ppm

storage temp.

15-25°C

SMILES string

[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

说明

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).

Analysis Note

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 %

Other Notes

Replaces: PX1055; PX1055-4

Legal Information

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

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pictograms

GHS05,GHS07,GHS09

signalword

Danger

hcodes

H302 - H314 - H411

pcodes

P260 - P273 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1C

存储类别

8B - Non-combustible, corrosive hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c