Silicotungstic acid, GR 99.5%+
Buy Silicotungstic acid, GR 99.5%+ (CAS 12027-43-9) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-000955.
About Silicotungstic acid, GR 99.5%+
Researchers and plant chemists source Silicotungstic acid, GR 99.5%+ from Zemixal for routine and specialised work. Key data (AR): CAS 12027-43-9, formula H6O41SiW12 and molar mass 2896.2 g/mol. Typical appearance is slight yellow to yellow powder.
Typical applications
- Organic synthesis
- Reaction development
- Medicinal chemistry
- Catalysis
Storage and safety notes
Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.
Order it in 25 g, 100 g and 1 kg packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Organic synthesis
- Reaction development
- Medicinal chemistry
- Catalysis
Applications
Grade guides
Specifications and identifiers
| Product name | Silicotungstic acid, GR 99.5%+ |
|---|---|
| Catalogue number | ZX-000955 |
| CAS number | 12027-43-9 |
| IUPAC name | silicic acid;dodecakis(trioxotungsten);hydrate |
| Molecular formula | H6O41SiW12 |
| Molar mass | 2896.2 g/mol |
| Exact mass | 2895.2273 |
| Grade | AR |
| Purity / assay | ≥99.5% |
| Physical form | Powder |
| Appearance | Slight yellow to yellow powder |
| H-bond donors / acceptors | 5 / 41 |
| Topological polar surface area | 696 Ų |
| HS code | 28111990 |
| InChIKey | ACTPFSYIGLFGLY-UHFFFAOYSA-N |
| SMILES | O.O[Si](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 |
| PubChem CID | 91667950 |
| Synonyms | Tungstosilicic acid, Tungstosilicic acid, hydrate |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Warning
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 25 g | Quoted on request | |
| 100 g | Quoted on request | |
| 1 kg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Silicotungstic acid, GR 99.5%+
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