7216-42-4
7216-42-4 structure
- Name: 4-Pyridinecarboxaldehyde N-oxide
- Chemical Name: 1-oxidopyridin-1-ium-4-carbaldehyde
- CAS Number: 7216-42-4
- Molecular Formula: C6H5NO2
- Molecular Weight: 123.10900
- Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Pyridine derivative
- Create Date: 2018-04-02 08:00:00
- Modify Date: 2025-08-25 20:34:00
| Name | 1-oxidopyridin-1-ium-4-carbaldehyde |
|---|---|
| Synonyms |
pyridine-N-oxide-4-carbaldehyde
1-oxy-pyridine-4-carbaldehyde pyridine-4-carboxaldehyde-N-oxide 4-Pyridinecarboxaldehyde,1-oxide pyridine-4-carbaldehyde-1-oxide MFCD00167384 4-pyridincarboxaldehyde-N-oxide 4-Pyridinecarboxaldehyde N-oxide 4-formylpyridine N-oxide Isonicotinaldehyde 1-oxide EINECS 230-602-0 Donepezil Impurity 23 |
| Density | 1.16 g/cm3 |
|---|---|
| Boiling Point | 367.7ºC at 760 mmHg |
| Melting Point | 150-152ºC(lit.) |
| Molecular Formula | C6H5NO2 |
| Molecular Weight | 123.10900 |
| Flash Point | 176.2ºC |
| Exact Mass | 123.03200 |
| PSA | 42.53000 |
| LogP | 0.92760 |
| Index of Refraction | 1.542 |
| Water Solubility | methylene chloride: soluble25mg/mL, clear, colorless to yellow |
| 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 | 26-36 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 2933399090 |
| 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% |