三氧化硫吡啶络合物，CAS 登记号 26412-87-3，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于无机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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Sulfur trioxide pyridine complex · CAS 26412-87-3 · C5H5NO3S. UNII SVL47N2N3Y.
| CAS Registry Number | 26412-87-3 |
|---|---|
| PubChem CID | 168533 |
| Molecular formula | C5H5NO3S |
| IUPAC name | pyridine;sulfur trioxide |
| UNII (FDA) | SVL47N2N3Y |
| Molecular Weight | 159.17 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 158.99901420 |
| Monoisotopic Mass | 158.99901420 |
| Topological Polar Surface Area | 65.1 |
| Heavy Atom Count | 10 |
| Formal Charge | 0 |
| Complexity | 92.8 |
| Reported hazard statements | H302 (100%), H314 (55%), H315 (45%), H319 (45%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
H314 (55%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
26412-87-3; sulfur trioxide-pyridine; SVL47N2N3Y; NSC-75831; RefChem:1099229; 247-683-3; Pyridine sulfur trioxide; pyridine;sulfur trioxide; 28322-92-1; Pyridine sulfotrioxide; MFCD00012437; Pyridine compound with sulfur trioxide (1:1); Pyridine, compound with sulphur trioxide; pyridine; sulfonylideneoxidane; Sulfur Trioxide-Pyridine; SO3-Py; Pyridine-Sulfur Trioxide
CAS 26412-87-3; molecular formula C5H5NO3S; molecular weight — g/mol.
26412-87-3, sulfur trioxide-pyridine, SVL47N2N3Y, NSC-75831, RefChem:1099229, 247-683-3.
Hazard statements reported: H302, H314, H315, H319.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.