Sulphurous acid, GR solution app. 5.6%
Order Sulphurous acid, GR solution app. 5.6% (CAS 7782-99-2) online at Zemixal: H2O3S, COA and SDS with every lot, worldwide shipping.
About Sulphurous acid, GR solution app. 5.6%
Sulphurous acid, GR solution app. 5.6% is part of the Zemixal ammonium Salts, Mineral Acids & Non-metal Compounds range. Identity at a glance (AR): CAS 7782-99-2, formula H2O3S and molar mass 82.08 g/mol. Expect colourless liquid.
Where it is used
- Materials research
- Chemical synthesis
Handling and storage
Reported physical data: density 1.03 g/mL at 25 °C. It carries the GHS signal word Danger (H314, H318 and H332), so wear gloves and eye protection and work with good ventilation. For transport it ships as UN UN 1833.
Standard pack sizes are 500 mL, 16 x 500 mL and 4 x 2.5 L, and custom quantities are quoted on request. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.
Typical uses
- Materials research
- Chemical synthesis
Applications
Grade guides
Specifications and identifiers
| Product name | Sulphurous acid, GR solution app. 5.6% |
|---|---|
| Catalogue number | ZX-015103 |
| CAS number | 7782-99-2 |
| IUPAC name | sulfurous acid |
| Molecular formula | H2O3S |
| Molar mass | 82.08 g/mol |
| Exact mass | 81.9725 |
| Grade | AR |
| Purity / assay | 5.6% |
| Physical form | Solution |
| Appearance | Colourless liquid |
| Density | 1.03 g/mL at 25 °C |
| XLogP3 | -0.5 |
| H-bond donors / acceptors | 2 / 4 |
| Topological polar surface area | 76.7 Ų |
| HS code | 38229090 |
| UN number | UN 1833 |
| InChIKey | LSNNMFCWUKXFEE-UHFFFAOYSA-N |
| SMILES | OS(=O)O |
| PubChem CID | 1100 |
| Synonyms | Sulfurous anhydride, Schweflige saure, H2SO3, acide sulfureux, acido sulfuroso, schweflige Saeure, trioxosulfuric acid, S(O)(OH)2, (SO(OH)2), [SO(OH)2], H2O3S, Trioxosulphate(IV) |
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
- H314Causes severe skin burns and eye damage
- H318Causes serious eye damage
- H332Harmful if inhaled
Precautionary statements P260, P261, P264, P264 + P265, P271, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P363, 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
| 500 mL | Quoted on request | |
| 16 x 500 mL | Quoted on request | |
| 4 x 2.5 L | 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 Sulphurous acid, GR solution app. 5.6%
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