21901-18-8
21901-18-8 structure
- Name: 4-Methyl-3-nitro-2-pyridinol
- Chemical Name: 4-methyl-3-nitro-1H-pyridin-2-one
- CAS Number: 21901-18-8
- Molecular Formula: C6H6N2O3
- Molecular Weight: 154.123
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Hydroxypyridine
- Create Date: 2018-12-09 16:51:05
- Modify Date: 2026-07-03 15:33:35
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| Name | 4-methyl-3-nitro-1H-pyridin-2-one |
|---|---|
| Synonyms |
2-HYDROXY-4-METHYLNITROPYRIDINE
4-Methyl-3-nitro-2-pyridinone 2-HYDROXY-3-NITRO-4-METHYLPYRIDINE 4-Methyl-3-Nitro-2(1H)-Pyridinone 2-Hydroxy-3-nitro-4-methyl-pyridin 3-nitropyridine 2-HYDROXY-3-NITRO-4-PICOLINE Hydroxymethylnitropyridine 2-Hydroxy-4-Methyl-3-nitropyridine, R 2-HYDROXY-3-NITRO-4-PICOLINE (2-HYDROXY-4-METHYL-3-NITROPYRIDINE) 2-Hydroxy-4-methyl-3-nitropyridine ISO 9001：2015 REACH 4-Methyl-3-nitropyridin-2(1H)-one 4-Methyl-3-nitro-2(1H)-pyridinone 4-methyl-3-nitropyridin-2(1H)-one 4-METHYL-3-NITRO-2-PYRIDONE 4-methyl-3-nitropyridin-2-ol 2-Hydrocy-4-methyi-3-nirropyridine 2-Hydroxy-3-nitro-4-picoline 4-METHYL-3-NITROPYRIDIN-2-OL 2-HYDROXY-4-METHYL-3-NITROPYRIDINE 4-Methyl-3-nitro-2-pyridone 2-Hydroxy-3-nitro-4-picoline 4-Methyl-3-nitro-2-pyridinol 4-Methyl-3-nitro-2-pyridone 2-Hydroxy-4-Methyl-3-nitropyridine 4-Methyl-3-nitro-1,2-dihydropyridin-2-one 2-Hydroxy-4-methyl-3-nitropyridine> 2-Hydroxy-4-methyl-3-nitro-pyridin 4-methyl-3-nitro-pyridin-2-ol 2(1H)-Pyridinone,4-methyl-3-nitro 2(1H)-PYRIDINONE, 4-METHYL-3-NITRO MFCD00010689 2-Hydroxy-3-nitro-4-methylpyridine Hydroxy-4-methyl-3-nitropyridine 2-Hydroxy-4-methyl-3-nitropyridin 4-METHYL-3-NITRO-2-PYRIDINOL |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 323.5±37.0 °C at 760 mmHg |
| Melting Point | 229-232 °C(lit.) |
| Molecular Formula | C6H6N2O3 |
| Molecular Weight | 154.123 |
| Flash Point | 149.4±26.5 °C |
| Exact Mass | 154.037842 |
| PSA | 78.94000 |
| LogP | 0.15 |
| Vapour Pressure | 0.0±0.7 mmHg at 25°C |
| Index of Refraction | 1.605 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi:Irritant; |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S26-S36-S37/39 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2933399090 |
|
~98%
21901-18-8 |
| Literature: Beijing Yiling Bioengineering Co., Ltd. Patent: EP2366691 A1, 2011 ; Location in patent: Page/Page column 7 ; |
|
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21901-18-8 |
| Literature: Journal of Fluorine Chemistry, , vol. 132, # 8 p. 541 - 547 |
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21901-18-8 |
| Literature: EP2366691 A1, ; |
| Precursor 2 | |
|---|---|
| DownStream 10 | |
| 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% |