4-Nitro-3-picoline N-oxide
Pharmaceutical Materials 2025-03-02
CAS Number: 1074-98-2
Molecular Formula: C6H6N2O3
Molecular Weight: 154.12 g/mol
Appearance: Yellow crystalline solid or powder
Melting Point: 135-139°C
Boiling Point: 383°C
Use: Important intermediate in fine chemicals and pharmaceuticals.
| Property | Details |
|---|---|
| Chemical Name | 4-Nitro-3-picoline N-oxide |
| CAS Number | 1074-98-2 |
| Synonyms | 3-Methyl-4-nitropyridine N-oxide; 4-Nitro-3-methylpyridine N-oxide; 3-Methyl-4-nitropyridine 1-oxide; Pyridine, 3-methyl-4-nitro-, 1-oxide; 4-Nitro-β-picoline N-oxide; NSC 168202; NSC 74203 |
| Formula | C6H6N2O3 |
| Molecular Weight | 154.12 g/mol |
| Appearance | Yellow crystalline needles or powder |
| Density | 1.363 g/cm³ |
| Melting Point | Not available |
| Boiling Point | 383.02 °C |
| Flash Point | 185.44 °C |
| Solubility | Solubility in water is low. |
| Stability | Stable under normal conditions. |
| Hazard Statements | May cause harm if swallowed or inhaled. May cause skin irritation and serious eye irritation. |
| Precautionary Statements | Keep away from heat, sparks, and open flames. Keep away from sources of ignition. Avoid contact with skin and eyes. Wear appropriate protective clothing, gloves, and eye/face protection. |
| Usage | Important fine chemical intermediate. Used in the pharmaceutical industry for the preparation of light pyridine cephalosporins (Compound 6f) and other compounds. |
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