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P4006

Sigma-Aldrich

Phosphotungstic acid hydrate

reagent grade

Sinonimo/i:

Tungstophosphoric acid

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About This Item

Formula condensata:
H3[P(W3O10)4] · xH2O
Numero CAS:
12501-23-4
Peso molecolare:
2880.05 (anhydrous basis)
Numero MDL:
MFCD00149915
Codice UNSPSC:
12352300
ID PubChem:
24898480
NACRES:
NA.21

Grado

reagent grade

Livello qualitativo

200

Forma fisica

powder

Punto di fusione

~95 °C (lit.)

Stringa SMILE

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=[W](=O)=O.OP(O)(O)=O

InChI

1S/H3O4P.H2O.36O.12W/c1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h(H3,1,2,3,4);1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
AVFBYUADVDVJQL-UHFFFAOYSA-N

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Descrizione generale

Phosphotungstic acid hydrate is a heteropolyacid.

Applicazioni

Phosphotungstic acid hydrate may be used as a staining agent for the transmission electron microscope (TEM) imaging of cetyltrimethylammonium bromide (CTAB) coated gold nanorods.
It may be used in the preparation of:
  • Phosphotungstic acid doped ormosil hybrid networks.
  • Niobia supported phosphotungstic acid (PTA) catalysts.
  • Titanium dioxide (TiO2) nanoparticles /phosphotungstic acid (HPW) films.

Avvertenze

Danger

Indicazioni di pericolo

H302,H314,H411

Classi di pericolo

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

Codice della classe di stoccaggio

8A - Combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 2

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificati d'analisi (COA)

Lot/Batch Number
0000392555
0000392556
0000385573
0000385116
0000385117

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Photoactive layer-by-layer films of cellulose phosphate and titanium dioxide containing phosphotungstic acid.
Ullah S, et al.
Applied Surface Science, 277, 111-120 (2013)
Preparation, characterization and photochromic behavior of phosphotungstic acid-ormosil nanocomposites.
Ferreira-Neto EP, et al.
Materials Chemistry and Physics, 153, 410-421 (2015)
Competitive Reaction Pathway for Site-Selective Conjugation of Raman Dyes to Hotspots on Gold Nanorods for Greatly Enhanced SERS Performance.
Huang H, et al.
Small, 10(19), 4012-4019 (2014)
Fabrication and characterization of heteropolyacid (H3PW12O40)/directly polymerized sulfonated poly (arylene ether sulfone) copolymer composite membranes for higher temperature fuel cell applications.
Kim YS, et al.
Journal of Membrane Science , 212(1), 263-282 (2003)
Shreyak Chaplot et al.
Journal of food protection, 82(5), 878-888 (2019-04-25)
Atmospheric cold plasma and peracetic acid-based hurdle approach for safety of poultry products was evaluated. Study demonstrates a significant synergetic approach to reducing Salmonella on raw poultry. Hurdle approach shows promising bacterial reduction but requires further optimization.
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