P4006

Phosphotungstic acid hydrate

reagent grade

• Synonym(s): Tungstophosphoric acid
• Linear Formula: H₃[P(W₃O₁₀)₄] · xH₂O
• CAS Number: 12501-23-4
• Molecular Weight: 2880.05 (anhydrous basis)
• MDL number: MFCD00149915
• PubChem Substance ID: 24898480
• NACRES: NA.21

Properties

• grade: reagent grade
• Quality Level: 200
• form: powder
• mp: ~95 °C (lit.)
• SMILES string: 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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
• InChI key: AVFBYUADVDVJQL-UHFFFAOYSA-N

Description

General description

Phosphotungstic acid hydrate is a heteropolyacid.

Application

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.

Safety Information

• Pictograms: GHS05,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H302 - H314 - H411
• Precautionary Statements: 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
• Storage Class Code: 8A - Combustible, corrosive hazardous materials
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves