Phosphotungstic acid, GR
Order Phosphotungstic acid, GR (CAS 12501-23-4) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 25 g.
About Phosphotungstic acid, GR
Phosphotungstic acid, GR sits in our refractory & Heavy Metal Compounds (Mo, W, V, Ti, Zr, Cd, Hg) section and ships worldwide from stock or short lead time. Identity at a glance (AR): CAS 12501-23-4, formula H5O41PW12 and molar mass 2898.1 g/mol. It is described as powder or crystals.
Use cases we see most often
- Biological staining
- Materials research
Safe handling
It carries the GHS signal word Danger (H302, H314, H318 and H411), so wear gloves and eye protection and work with good ventilation. For transport it ships as UN UN 3260.
Available as 25 g, 100 g, 500 g, 5 kg and 25 kg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Typical uses
- Biological staining
- Materials research
Applications
Grade guides
Specifications and identifiers
| Product name | Phosphotungstic acid, GR |
|---|---|
| Catalogue number | ZX-014042 |
| CAS number | 12501-23-4 |
| IUPAC name | phosphoric acid;dodecakis(trioxotungsten);hydrate |
| Molecular formula | H5O41PW12 |
| Molar mass | 2898.1 g/mol |
| Exact mass | 2897.2163 |
| Grade | AR |
| Physical form | Crystalline |
| Appearance | Powder or crystals |
| H-bond donors / acceptors | 4 / 41 |
| Topological polar surface area | 693 Ų |
| HS code | 28111990 |
| UN number | UN 3260 |
| InChIKey | AVFBYUADVDVJQL-UHFFFAOYSA-N |
| 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 |
| PubChem CID | 16212977 |
| Synonyms | Tungstophosphoric acid, Phosphoric acid--trioxotungsten--water (1/12/1), Phosphotungstic acid hydrate, 12-Tungstophosphoric acid hydrate, Hydrogen phosphotungstate hydrate (H3PW12O40.xH2O), Phosphotungstic acid, AR, 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) |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H318Causes serious eye damage
- H411Toxic to aquatic life with long lasting effects
Precautionary statements P260, P264, P264 + P265, P270, P273, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P330, P363, P391, 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 | |
| 500 g | Quoted on request | |
| 5 kg | Quoted on request | |
| 25 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 Phosphotungstic acid, GR
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