2-Hydroxypyridine (CAS 142-08-5) — formula C5H5NO, molecular weight 95.10; category organic chemicals.
2-Hydroxypyridine (CAS 142-08-5) is a chemical raw material in the organic chemicals category. Its molecular formula C5H5NO comprises 5 C, 5 H, 1 N, 1 O atoms. Its molecular weight is about 95.10. Reported physicochemical data: melting point around 107.8 °C, LogP about -0.56. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 142-08-5 |
|---|---|
| Molecular Formula | C5H5NO |
| Molecular Weight | 95.10 |
| Melting Point | 107.8 °C |
| LogP | -0.56 |
| Applications | Drug / Therapeutic Agent, 2(1H)-Pyridinone: ACTIVE |
| Category | Organic Chemicals |
Documented applications: Drug / Therapeutic Agent, 2(1H)-Pyridinone: ACTIVE.
2-Hydroxypyridine is a carbon-based organic compound with CAS registry number 142-08-5 and molecular formula C5H5NO (molecular weight 95.10), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 142-08-5
Its molecular formula C5H5NO comprises 5 C, 5 H, 1 N, 1 O atoms.
Also known as: 2-Hydroxypyridine · 2-羟基吡啶
Category: organic chemicals
The CAS registry number of 2-Hydroxypyridine is 142-08-5.
Molecular formula C5H5NO, molecular weight 95.10.
It is also registered under: 2-Hydroxypyridine, 2-羟基吡啶.
Recorded applications: Drug / Therapeutic Agent, 2(1H)-Pyridinone: ACTIVE.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for 2-Hydroxypyridine (CAS 142-08-5), compiled from public chemistry databases.
| 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 |
| 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]+ |
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
| 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 · CAS 142-08-5 · C5H5NO. UNII 6770O3A2I5. Melting Point: 107.8 °C; Solubility: 1000 mg/mL at 20 °C; Vapor Pressure: 0.55 [mmHg].
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 2-羟基吡啶