2-羟基吡啶，CAS 登记号 142-08-5，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，下游主要用于有机化学品。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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2-Hydroxypyridine · CAS 142-08-5 · C5H5NO. UNII 6770O3A2I5. Melting Point: 107.8 °C; Solubility: 1000 mg/mL at 20 °C; Vapor Pressure: 0.55 [mmHg].
| CAS Registry Number | 142-08-5 |
|---|---|
| PubChem CID | 8871 |
| Molecular formula | C5H5NO |
| IUPAC name | 1H-pyridin-2-one |
| UNII (FDA) | 6770O3A2I5 |
| Molecular Weight | 95.10 |
|---|---|
| XLogP3 | -0.6 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 95.037113783 |
| Monoisotopic Mass | 95.037113783 |
| Topological Polar Surface Area | 29.1 |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Melting Point | 107.8 °C |
|---|---|
| Solubility | 1000 mg/mL at 20 °C |
| Vapor Pressure | 0.55 [mmHg] |
| LogP | -0.56 |
| Collision Cross Section | 115.5 Ų [M+H]+ |
| Regulatory & Food Contact | EU Flavoring substances Flavoring Agents |
|---|---|
| GHS notification summary | 41.7% (78 / 187) |
| GHS notification summary | 41.7% (78 / 187) |
|---|---|
| Reported hazard statements | H301 (57.8%), H315 (27.8%), H319 (27.8%), H335 (27.3%) |
This chemical does not meet GHS hazard criteria for 41.7% (78 of 187) of reports.
H301 (57.8%): Toxic if swallowed [Danger Acute toxicity, oral]
2-HYDROXYPYRIDINE; 142-08-5; 2-Pyridone; 2(1H)-Pyridinone; 2-Pyridinone; 2(1H)-Pyridone; 2(lH)-Pyridinone; DTXSID2051716; 6770O3A2I5; NSC-172522; DTXCID2030271; RefChem:473508; 205-520-3; Pyridin-2-ol; 2-Pyridinol; pyridin-2(1H)-one
CAS 142-08-5; molecular formula C5H5NO; molecular weight — g/mol.
2-HYDROXYPYRIDINE, 142-08-5, 2-Pyridone, 2(1H)-Pyridinone, 2-Pyridinone, 2(1H)-Pyridone.
Documented regulatory listings: EU Flavoring substances; Flavoring Agents.
41.7% of GHS notifications report no hazard classification (78 of 187).
Melting Point: 107.8 °C; Solubility: 1000 mg/mL at 20 °C; Vapor Pressure: 0.55 [mmHg]; LogP: -0.56.
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.