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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
SLCL9107
SLCK8278
SLCK1028
SLCG2956
SLCJ4128

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Preparation, characterization and photochromic behavior of phosphotungstic acid-ormosil nanocomposites.
Ferreira-Neto EP, et al.
Materials Chemistry and Physics, 153, 410-421 (2015)
Vapor Phase Dehydration of Glycerol to Acrolein Over Phosphotungstic Acid Catalyst Supported on Niobia.
Viswanadham B, et al.
Catalysis Letters, 144(4), 744-755 (2014)
Kate M Lesciotto et al.
Developmental dynamics : an official publication of the American Association of Anatomists, 249(4), 573-585 (2019-11-19)
Given the need for descriptive and increasingly mechanistic morphological analyses, contrast-enhanced microcomputed tomography (microCT) represents perhaps the best method for visualizing 3D biological soft tissues in situ. Although staining protocols using phosphotungstic acid (PTA) have been published with beautiful visualizations
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)
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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