Silicotungstic acid, 99%
Silicotungstic acid, 99% (CAS 12027-43-9) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Purity 99%.
About Silicotungstic acid, 99%
Silicotungstic acid, 99% is part of the Zemixal synthetic, Protecting & Derivatization Reagents range. Identity at a glance (99%): CAS 12027-43-9, formula H6O41SiW12 and molar mass 2896.2 g/mol. It is described as slight yellow to yellow powder.
Typical applications
- Organic synthesis
- Reaction development
- Medicinal chemistry
- Catalysis
Safe handling
It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.
Standard pack sizes are 25 g, 100 g and 1 kg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Organic synthesis
- Reaction development
- Medicinal chemistry
- Catalysis
Applications
Specifications and identifiers
| Product name | Silicotungstic acid, 99% |
|---|---|
| Catalogue number | ZX-000954 |
| 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 |
| Purity / assay | 99% |
| 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 hydrate, 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, 99%
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Other grades with CAS 12027-43-9
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