Tungstophosphoric acid

Base Information

• Chemical Name: Tungstophosphoric acid
• CAS No.: 12501-23-4
• Molecular Formula: H2O . x H . x O40 P W12
• Molecular Weight: 2898.07
• Hs Code.: 2811 19 80
• European Community (EC) Number: 603-020-3
• DSSTox Substance ID: DTXSID30583755
• Mol file: 12501-23-4.mol

Synonyms:12501-23-4;phosphoric acid;trioxotungsten;hydrate;12-Tungstophosphoric acid hydrate;Tungstophosphoric acid;Hydrogen phosphotungstate hydrate (H3PW12O40.xH2O);MFCD00011342;Phosphotungstic acid, AR;DTXSID30583755;MFCD00149915;AKOS005111017;SB66354;Phosphotungstic acid hydrate, reagent grade;Phosphotungstic acid hydrate, for microscopy;Phosphotungstic acid hydrate, p.a., 99.5%;Phosphotungstic acid hydrate, SAJ special grade;Hydrogenphosphotungstatehydrate(H3PW12O40.xH2O);A890325;Phosphoric acid--trioxotungsten--water (1/12/1);Phosphotungstic acid hydrate, Vetec(TM) reagent grade;Phosphotungstic acid hydrate, 99.995% trace metals basis (Purity excludes up to 300 ppm Si)

Chemical Property of Tungstophosphoric acid

Chemical Property:

• Appearance/Colour: Crystalline
• Vapor Pressure: 19.2hPa at 20℃
• Melting Point: ~95 °C(lit.)
• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 711.32000
• Density: g/cm³
• LogP: -5.26970
• Storage Temp.: 0-6°C
• Sensitive.: Hygroscopic
• Water Solubility.: soluble
• Hydrogen Bond Donor Count: 4
• Hydrogen Bond Acceptor Count: 41
• Rotatable Bond Count: 0
• Exact Mass: 2897.21628
• Heavy Atom Count: 54
• Complexity: 112

Purity/Quality:

99% ^*data from raw suppliers

Phosphotungstic acid hydrate ^*data from reagent suppliers

Safty Information:

• Hazard Codes: C,Xi
• Statements: 34-36/37/38
• Safety Statements: 26-36/37/39-45-24/25-37/39-36

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: O.OP(=O)(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=[W](=O)=O
• Uses: Phosphotungstic acid hydrate has been a useful histology stain for cell specimens. 12-Tungstophosphate hydrate is used in histology as a component for staining of cell specimens. It binds to fibrin, collagen and fibers of connective tissues. It is also used to replace the anions of dyes from these materials. In solution, it acts as a homogeneous catalyst and involved in the hydrolysis of propene to give 2-propanol. It is supported with alumina and silica and act as a heterogeneous catalyst involved in the dehydration of 2-propanol to propene and methanol to hydrocarbons. In analytical chemistry, it is used to precipitate proteins and termed as "universal" precipitant for polar proteins. 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.

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