27258-33-9
27258-33-9 structure
- Name: 1-Methyl-1H-pyrazole-5-carbaldehyde
- Chemical Name: 2-methylpyrazole-3-carbaldehyde
- CAS Number: 27258-33-9
- Molecular Formula: C5H6N2O
- Molecular Weight: 110.114
- Catalog: Organic raw materials Ketone compound
- Create Date: 2018-09-16 18:14:25
- Modify Date: 2025-08-22 11:43:42
| Name | 2-methylpyrazole-3-carbaldehyde |
|---|---|
| Synonyms |
1-methyl-1h-pyrazole-5-carboxaldehyde
5-Formyl-1-methylpyrazole 1H-Pyrazole-5-carboxaldehyde, 1-methyl- 1-Methyl-1H-pyrazole-5-carbaldehyde 1-methyl-5-pyrazolecarboxyaldehyde 1-methyl-1H-pyrazol-5-carbaldehyde 5-formyl-1-methyl-1h-pyrazole 2-Methyl-2H-pyrazole-3-carbaldehyde 1-methylpyrazole-5-carbaldehyde 1-Methylpyrazole-5-carbaldehyde 2-Methyl-2H-pyrazole-3-carbaldehyde MFCD03419801 1-Methylpyrazole-5-carboxaldehyde |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 218.9±13.0 °C at 760 mmHg |
| Molecular Formula | C5H6N2O |
| Molecular Weight | 110.114 |
| Flash Point | 86.2±19.8 °C |
| Exact Mass | 110.048012 |
| PSA | 34.89000 |
| LogP | -0.61 |
| Vapour Pressure | 0.1±0.4 mmHg at 25°C |
| Index of Refraction | 1.552 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H302-H315-H317-H319-H335 |
| Precautionary Statements | P261-P280-P305 + P351 + P338 |
| Hazard Codes | Xi: Irritant; |
| Risk Phrases | 22-36/37/38 |
| Safety Phrases | 26-36/37/39 |
| HS Code | 2933199090 |
|
~92%
27258-33-9 |
| Literature: LABORATORIOS DEL DR. ESTEVE, S.A. Patent: EP1671968 A1, 2006 ; Location in patent: Page/Page column 10 ; |
|
~92%
27258-33-9 |
| Literature: Jover, Antoni Torrens; Buschmann, Helmut H.; Dahmen, Stefan; Lormann, Matthias Patent: US2006/135787 A1, 2006 ; Location in patent: Page/Page column 3; 6-7 ; |
|
~11%
27258-33-9 |
| Literature: BASF SE Patent: US2010/174094 A1, 2010 ; Location in patent: Page/Page column 16 ; |
|
~%
27258-33-9 |
| Literature: Azami, Hidenori; Barrett, David; Tanaka, Akira; Sasaki, Hiroshi; Matsuda, Keiji; Sakurai, Minora; Matsumoto, Yoshimi; Tawara, Shuichi; Chiba, Toshiyuki; Sakane, Kazuo Bioorganic and Medicinal Chemistry Letters, 1997 , vol. 7, # 11 p. 1409 - 1414 |
| 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% |