1457-42-7
1457-42-7 structure
- Name: Pyridazine N-oxide
- Chemical Name: 1-oxidopyridazin-1-ium
- CAS Number: 1457-42-7
- Molecular Formula: C4H4N2O
- Molecular Weight: 96.08740
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridazine
- Create Date: 2018-07-13 14:31:11
- Modify Date: 2025-08-25 18:10:42
| Name | 1-oxidopyridazin-1-ium |
|---|---|
| Synonyms |
3-pyridazinyl-N-oxide
pyridazine-N-oxide pyridazinyl N-oxide Pyridazine-1-oxide pyridazine mono-N-oxide |
| Density | 1.19g/cm3 |
|---|---|
| Boiling Point | 210.7ºC at 760mmHg |
| Melting Point | 298-305ºC |
| Molecular Formula | C4H4N2O |
| Molecular Weight | 96.08740 |
| Flash Point | 81.2ºC |
| Exact Mass | 96.03240 |
| PSA | 38.35000 |
| LogP | 0.51010 |
| Vapour Pressure | 0.275mmHg at 25°C |
| Index of Refraction | 1.564 |
| Hazard Codes | Xn:Harmful; |
|---|---|
| Risk Phrases | R22;R37/38;R41 |
| Safety Phrases | S26-S39 |
| RIDADR | UN 3335 |
| HS Code | 2933990090 |
|
~99%
1457-42-7 |
| Literature: Leclerc, Jean-Philippe; Fagnou, Keith Angewandte Chemie - International Edition, 2006 , vol. 45, # 46 p. 7781 - 7786 |
|
~61%
1457-42-7 |
| Literature: Kamiya; Tanno Chemical and Pharmaceutical Bulletin, 1980 , vol. 28, # 2 p. 529 - 534 |
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |