Pyrosulfurous Acid
Order Pyrosulfurous Acid (CAS 33669-61-3) online at Zemixal: H2O5S2, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-015096.
About Pyrosulfurous Acid
Pyrosulfurous Acid is part of the Zemixal ammonium Salts, Mineral Acids & Non-metal Compounds range. Identity at a glance (Reference Standard): CAS 33669-61-3, formula H2O5S2 and molar mass 146.15 g/mol.
Typical applications
- Materials research
- Chemical synthesis
Storage and safety notes
Handle with the usual laboratory precautions and consult the SDS supplied with each lot.
Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Request pricing online and we confirm availability, documentation and freight to your country.
Specifications and identifiers
| Product name | Pyrosulfurous Acid |
|---|---|
| Catalogue number | ZX-015096 |
| CAS number | 33669-61-3 |
| Other CAS numbers | 7681-57-4, 16731-55-8 |
| Molecular formula | H2O5S2 |
| Molar mass | 146.15 g/mol |
| Exact mass | 145.9344 |
| Grade | Reference Standard |
| XLogP3 | -1.4 |
| H-bond donors / acceptors | 2 / 6 |
| Topological polar surface area | 119 Ų |
| InChIKey | WBZKQQHYRPRKNJ-UHFFFAOYSA-N |
| SMILES | OS(=O)S(=O)(=O)O |
| PubChem CID | 28020 |
| Synonyms | disulfurous acid, Metasulfurous Acid, H2S2O5, Sulfinosulfonic acid, Hydroxy(oxo)-lambda~4~-sulfanesulfonic acid, dihydroxido-1kappaO,2kappaO-trioxido-1kappa(2)O,2kappaO-disulfur(S--S) |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
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