21487-45-6
21487-45-6 structure
- Name: 1,3-Diphenyl-1H-pyrazole-4-carbaldehyde
- Chemical Name: 1,3-diphenylpyrazole-4-carbaldehyde
- CAS Number: 21487-45-6
- Molecular Formula: C16H12N2O
- Molecular Weight: 248.27900
- Create Date: 2018-12-29 19:42:47
- Modify Date: 2025-08-24 11:00:38
| Name | 1,3-diphenylpyrazole-4-carbaldehyde |
|---|---|
| Synonyms |
1,3-diphenyl-1H-pyrazole-4-carboxaldehyde
1,3-Diphenyl-4-pyrazolecarboxaldehyde 1,3-diphenyl-1H-pyrazole-3-carbaldehyde 1,3-diphenyl-1H-pyrazol-4-carboxaldehyde 1,3-diphenyl-pyrazole-4-carboxaldehyde 1,3-Diphenyl-1H-pyrazole-4-carbaldehyde 1,3-DIPHENYL-1H-PYRAZOLE-4-CARBALDEHYDE |
| Density | 1.14g/cm3 |
|---|---|
| Boiling Point | 442.2ºC at 760mmHg |
| Melting Point | 142-146ºC |
| Molecular Formula | C16H12N2O |
| Molecular Weight | 248.27900 |
| Flash Point | 221.2ºC |
| Exact Mass | 248.09500 |
| PSA | 34.89000 |
| LogP | 3.35180 |
| Vapour Pressure | 5.13E-08mmHg at 25°C |
| Index of Refraction | 1.621 |
| Storage condition | 2-8°C |
| Symbol |
GHS05, GHS07 |
|---|---|
| Signal Word | Danger |
| Hazard Statements | H315-H318-H335 |
| Precautionary Statements | P261-P280-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Gloves |
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | 36/37/38-41-37/38 |
| Safety Phrases | 26-36/37/39-39 |
| RIDADR | NONH for all modes of transport |
| HS Code | 2933199090 |
| Precursor 9 | |
|---|---|
| DownStream 8 | |
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |