T2786

Wolframatokieselsäure Hydrat

• Synonym(e): Silicowolframsäure
• Lineare Formel: H₄[Si(W₃O₁₀)₄] · xH₂O
• CAS-Nummer: 12027-43-9
• Molekulargewicht: 2878.17 (anhydrous basis)
• EG-Nummer: 234-719-8
• MDL-Nummer: MFCD00150392
• UNSPSC-Code: 12352301
• PubChem Substanz-ID: 24900077
• NACRES: NA.22

Eigenschaften

• Form: powder
• Löslichkeit: water: 100 mg/mL, clear, colorless
• SMILES String: O.O[Si](O)(O)O.O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1.O=[W]2(=O)O[W](=O)(=O)O[W](=O)(=O)O2.O=[W]3(=O)O[W](=O)(=O)O[W](=O)(=O)O3.O=[W]4(=O)O[W](=O)(=O)O[W](=O)(=O)O4
• InChI: 1S/H4O4Si.H2O.36O.12W/c1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h1-4H;1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
• InChIKey: ACTPFSYIGLFGLY-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Tungstosilicic acid hydrate is widely used as a catalyst in esterification, oxidation, and other chemical reactions.

Anwendung

Reactant for:

• Preparation of silicotungstate butylmethylimidazolium bromide ionic liquid hybrid material
• Synthesis of SnII-substituted Keggin-type polyoxometalates as photocatalysts
• Preparation of silicotungstic acid/organically modified silane proton-conducting membranes
• Preparation of charge transfer compounds with Keggin anions
• Preparation of catalyst for catalytic liquid-phase oxidation of xylene

Tungstosilicic acid can be used as a reactant for:

• Preparation of silicotungstate butylmethylimidazolium bromide ionic liquid hybrid material.
• Synthesis of Sn(II)-substituted Keggin-type polyoxometalates as photocatalysts.
• Preparation of silicotungstic acid/organically modified silane proton-conducting membranes.
• Preparation of charge transfer compounds with Keggin anions.
• Preparation of catalyst for catalytic liquid-phase oxidation of xylene.

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H315,H319,H335
• P-Sätze: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 3
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable
• Persönliche Schutzausrüstung: dust mask type N95 (US), Eyeshields, Gloves