4-Methoxypyridine 1-oxide
4-Methoxypyridine-N-oxide
CAS: 1122-96-9
Molecular Formula: C6H7NO2
4-Methoxypyridine 1-oxide - Names and Identifiers
| Name | 4-Methoxypyridine-N-oxide |
| Synonyms | AKOS 93569 4-Methoxypyridine-N-oxide 4-Methoxypyridine N-oxide p-methoxypyridine n-oxide 4-METHOXYPYRIDINE N-OXIDE 4-Methoxypyridine 1-oxide 4-methoxypyridine 1-oxide Pyridine,4-methoxy-,1-oxide 4-Methoxy-1-oxidopyridin-1-ium 4-METHOXYPYRIDINE 1-OXIDE HYDRATE |
| CAS | 1122-96-9 |
| EINECS | 214-367-1 |
| InChI | InChI=1/C6H7NO2.H2O/c1-9-6-2-4-7(8)5-3-6;/h2-5H,1H3;1H2 |
4-Methoxypyridine 1-oxide - Physico-chemical Properties
| Molecular Formula | C6H7NO2 |
| Molar Mass | 125.13 |
| Density | 1.09±0.1 g/cm3(Predicted) |
| Melting Point | 73-79°C |
| Boling Point | 308.9±15.0 °C(Predicted) |
| Flash Point | 203.2°C |
| Vapor Presure | 1.55E-07mmHg at 25°C |
| Appearance | white to yellowish solid |
| Color | White to Yellow to Orange |
| Maximum wavelength(λmax) | ['282nm(CH3CN)(lit.)'] |
| BRN | 115212 |
| pKa | 2.30±0.10(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Hygroscopic |
| MDL | MFCD00006207 |
4-Methoxypyridine 1-oxide - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S24/25 - Avoid contact with skin and eyes. S37 - Wear suitable gloves. |
| WGK Germany | 3 |
| FLUKA BRAND F CODES | 3-10 |
| HS Code | 29333990 |
4-Methoxypyridine 1-oxide - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| application | N-oxides are generally obtained by the oxidation of corresponding tertiary amines. they are an important organic chemical intermediates and are widely used in organic synthesis (as oxidants, reaction intermediates, and structural units of a variety of important biologically active substances. |
| preparation | add 4mL of methanol, then add 4-methoxypyridine (0.5mmol,54.6mg), then add 30% H2O2(6.0eq.,0.3mL), potassium carbonate (4.0eq.,276.4mg) into a 25 ml round bottom two-mouth bottle, and use two straight piston straight bending joints at the same time, while connecting the balloon with a hose, SO2F2 gas is introduced, and the reaction is stirred at room temperature of 23~32 ℃ for 20~40min under sealing conditions. After the reaction, filter to remove the potassium carbonate solid, dry with anhydrous sodium sulfate to remove water and filter again, concentrate the solvent to obtain the crude product, and finally undergo column chromatography separation and purification to obtain 4-methoxypyridine nitrogen oxide 40.3mg, The yield is 65.4%. |
Last Update：2024-04-10 22:29:15
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View History
4-Methoxypyridine 1-oxide
(4,5,6,7-tetrahydro-1H-benzo[d]iMidazol-5-yl)(pyrrolidin-1-yl)Methanone hydrochloride
(S)-叔丁氧羰基-3-(三氟甲基)-beta-苯丙氨酸
盐酸替莫普利
十二甲基五硅氧烷
Quinolin-6-Yl-Acetic Acid Methyl Ester
异断短舌匹菊内酯
2-吡啶甲酰氯
BOC-DL-脯氨酸乙酯
1-氟丙烷-2-酮
(4,5,6,7-tetrahydro-1H-benzo[d]iMidazol-5-yl)(pyrrolidin-1-yl)Methanone hydrochloride
(S)-叔丁氧羰基-3-(三氟甲基)-beta-苯丙氨酸
盐酸替莫普利
十二甲基五硅氧烷
Quinolin-6-Yl-Acetic Acid Methyl Ester
异断短舌匹菊内酯
2-吡啶甲酰氯
BOC-DL-脯氨酸乙酯
1-氟丙烷-2-酮