Ethyl 5-hydroxy-1H-pyrazole-4-carboxylate - Names and Identifiers
| Name | ethyl 3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate
|
| Synonyms | Ethyl 5-hydroxy-1H-pyrazole-4-carboxylate
ethyl 3-hydroxy-1H-pyrazole-4-carboxylate
ethyl 3-oxo-2,3-dihydro-1H-pyrazole-4-carboxylate
1H-pyrazole-4-carboxylic acid, 5-hydroxy-, ethyl ester
|
| CAS | 7251-53-8
|
| InChI | InChI=1/C6H8N2O3/c1-2-11-6(10)4-3-7-8-5(4)9/h3H,2H2,1H3,(H2,7,8,9) |
Ethyl 5-hydroxy-1H-pyrazole-4-carboxylate - Physico-chemical Properties
| Molecular Formula | C6H8N2O3
|
| Molar Mass | 156.14 |
| Density | 1.272g/cm3 |
| Melting Point | 140-142 °C |
| Boling Point | 311.7°C at 760 mmHg |
| Flash Point | 142.3°C |
| Vapor Presure | 0.000302mmHg at 25°C |
| pKa | 7.78±0.70(Predicted) |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Irritant |
| Refractive Index | 1.496 |
| MDL | MFCD12131138 |
Ethyl 5-hydroxy-1H-pyrazole-4-carboxylate - Upstream Downstream Industry
Ethyl 5-hydroxy-1H-pyrazole-4-carboxylate - Introduction
Ethyl 3-oxo-2, also known as ethyl 3-oxo-2, is an organic compound. The following is a description of its nature, use, formulation and safety information:
Nature:
-Appearance: ethyll 3-oxo-2, colorless crystalline solid.
-Molecular formula: C7H8N2O3
-Molecular Weight:%ww
-Melting Point: 44-46°C
-Boiling Point: 205-207°C
-Solubility: ethyl 3-oxo-2, soluble in some organic solvents such as ethanol and dichloromethane, insoluble in water.
Use:
- ethyl 3-oxo-2, is an important intermediate compound that is widely used in pharmaceutical and pesticide synthesis.
-It can also be used as an additive in composite materials to improve the performance of the material.
Preparation Method:
- ethyl 3-oxo-2, the preparation of which is generally completed by chemical synthesis. Its preparation method is more, the commonly used method includes the reaction of 2 phenyl acetylene acid methyl ester and amino ketone to obtain 3-hydroxy isoxazolone, and then its reaction with methyl formate in the presence of alkali to obtain the target product.
Safety Information:
- ethyl 3-oxo-2, is relatively safe to human health under normal use conditions and has no obvious toxicity.
-However, care is still required to avoid skin contact and inhalation. Appropriate personal protective equipment, such as gloves and respirators, should be worn during operation.
-When exposed to the substance, immediately rinse the affected area with plenty of water and seek help from a doctor.
Last Update：2024-04-10 22:29:15