Ethyl pyrazole-4-carboxylate
- CAS NO.：37622-90-5
- Empirical Formula: C6H8N2O2
- Molecular Weight: 140.14
- MDL number: MFCD00010844
- EINECS: 609-452-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-07-24 18:13:52
What is Ethyl pyrazole-4-carboxylate?
Chemical properties
White to pale yellow crystalline powder
The Uses of Ethyl pyrazole-4-carboxylate
Ethyl pyrazole-4-carboxylate is used for the synthesis of isoxazole-4-carboxylic acid derivatives and isoxazole-3,5-dicarboxamides.
The Uses of Ethyl pyrazole-4-carboxylate
Used for the synthesis of isoxazole-4-carboxylic acid derivatives and isoxazole-3,5-dicarboxamides as herbicides.
Synthesis Reference(s)
Journal of Heterocyclic Chemistry, 30, p. 865, 1993 DOI: 10.1002/jhet.5570300404
Properties of Ethyl pyrazole-4-carboxylate
| Melting point: | 78-80 °C (lit.) |
| Boiling point: | 138-140 °C/3 mmHg (lit.) |
| Density | 1.2850 (rough estimate) |
| refractive index | 1.5010 (estimate) |
| Flash point: | 138-140°C/3mm |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Miscible with acetone. |
| form | Crystalline Powder |
| pka | 11.70±0.50(Predicted) |
| color | White to pale yellow |
| CAS DataBase Reference | 37622-90-5(CAS DataBase Reference) |
| NIST Chemistry Reference | 4-(C2H5COO)-pyrazole(37622-90-5) |
Safety information for Ethyl pyrazole-4-carboxylate
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Ethyl pyrazole-4-carboxylate
| InChIKey | KACZQOKEFKFNDB-UHFFFAOYSA-N |
Ethyl pyrazole-4-carboxylate manufacturer
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product: Ethyl 4-pyrazolecarboxylate 37622-90-5 98%
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