17228-70-5
17228-70-5 structure
- Name: 3,5-Dichloro-4-pyridinol
- Chemical Name: 3,5-Dichloro-4-hydroxypyridine
- CAS Number: 17228-70-5
- Molecular Formula: C5H3Cl2NO
- Molecular Weight: 163.989
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Hydroxypyridine
- Create Date: 2018-08-17 14:53:28
- Modify Date: 2026-07-08 06:53:56
| Name | 3,5-Dichloro-4-hydroxypyridine |
|---|---|
| Synonyms |
Donezil Impurity 32
3,5-Dichlorpyridin-4(1H)-on MFCD00001825 3,5-dichloro-1H-pyridin-4-one 3,5-dichloropyridin-4-ol 4(1H)-Pyridinone, 3,5-dichloro Cefazedone Impurity 16 3,5-Dichloro-pyridin-4-ol P-CYANOACETOPHENONE 3,5-DICHLORO-4-PYRIDINOL LABOTEST-BB LT00455416 3,5-Dichloro-4-hydroxypyridine> 3,5-Dichlor-pyridon-4 3,5-Dichloro-4-hydro 3,5-DICHLORO-4 (1H)-PYRIDONE/3,5-DICHLORO-4-HYDROXYPYRIDINE 3,5-Dichloro-4-pyridinol 3,5-Dichloro-4(1H)-pyridinone 3,5-Dichloro-4-pyridone 3,5-DICHLORO-4(1H)-PYRIDINONE 3,5-dichloro-1,4-dihydropyridin-4-one 3,5-dichloro-4-pyridinone 3,5-Dichloro-1,4-dihydro-4-oxopyridine 3,5-Dichloro-4(1H)-pyridinone IFLAB-BB F1957-0005 Donepezil Impurity 32 3,5-Dichloro-1,4-dihydropyridine-4-one P-ACETYLBENZONITRILE 3,5-Dichloro-4-hydroxypyridine ISO 9001：2015 REACH 3,5-DICHLORO-4-PYRIDONE 3,5-DICHLORO-4-HYDROXYPYRIDINE 3,5-Dichloropyridin-4(1H)-one EINECS 215-885-0 |
| Density | 1.6±0.1 g/cm3 |
|---|---|
| Boiling Point | 317.5±37.0 °C at 760 mmHg |
| Melting Point | 56-59 °C(lit.) |
| Molecular Formula | C5H3Cl2NO |
| Molecular Weight | 163.989 |
| Flash Point | 145.8±26.5 °C |
| Exact Mass | 162.959167 |
| PSA | 33.12000 |
| LogP | 0.32 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.602 |
| Hazard Codes | Xn: Harmful; |
|---|---|
| Risk Phrases | R36/37/38 |
| Safety Phrases | S36/37/39-S26-S22-S36 |
| WGK Germany | 3 |
| Packaging Group | III |
| HS Code | 2933399090 |
|
~97%
17228-70-5 |
| Literature: Journal of Organic Chemistry, , vol. 49, # 25 p. 4784 - 4786 |
| Precursor 1 | |
|---|---|
| DownStream 2 | |
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |