1-methyl-4-pyrazolecarboxylic acid
1-methylpyrazole-4-carboxylic acid
CAS: 5952-92-1
Molecular Formula: C5H6N2O2
1-methyl-4-pyrazolecarboxylic acid - Names and Identifiers
| Name | 1-methylpyrazole-4-carboxylic acid |
| Synonyms | 1-methyl-4-pyrazolecarboxylic acid 1-methylpyrazole-4-carboxylic acid 1-Methyl-1H-Pyrazole-4-Carboxylic Acid |
| CAS | 5952-92-1 |
| InChI | InChI=1/C5H6N2O2/c1-7-3-4(2-6-7)5(8)9/h2-3H,1H3,(H,8,9)/p-1 |
1-methyl-4-pyrazolecarboxylic acid - Physico-chemical Properties
| Molecular Formula | C5H6N2O2 |
| Molar Mass | 126.11 |
| Melting Point | 203-208℃ |
| Boling Point | 306.9°C at 760 mmHg |
| Flash Point | 139.4°C |
| Vapor Presure | 0.000326mmHg at 25°C |
| Appearance | Crystallization |
| Storage Condition | Room Temprature |
| MDL | MFCD00159641 |
1-methyl-4-pyrazolecarboxylic acid - Introduction
Acid is an organic compound with the chemical formula C6H6N2O2.
Nature:
Acid is a solid with the form of a white crystal or crystalline powder. It is difficult to dissolve in water, but it is more soluble in organic solvents. It is a weak acid that can react with bases.
Use:
It has a wide range of uses in chemical research and drug synthesis. It can be used as an intermediate for the synthesis of biologically active compounds, such as drugs, pesticides and dyes. It can also be used as a chelating agent and catalyst, and plays an important role in organic synthesis reactions.
Preparation Method:
A commonly used method for the preparation of acid is obtained by the reaction of 1-methylpyrazole and dichloromethane nitrile. The specific procedure involves reacting 1-methylpyrazole with triethyl trifluoroacetate at room temperature and then continuing the reaction with methylene chloride nitrile and sodium acetate.
Safety Information:
The acid is usually relatively safe under normal operating conditions, but appropriate laboratory safety measures still need to be followed. It may be irritating to the skin, eyes and mucous membranes, so direct contact should be avoided during operation. During storage and handling, care should be taken to prevent fire and avoid contact with oxidants. Wear appropriate protective equipment, such as gloves and goggles, if necessary. It is recommended to read and understand the relevant safety data sheets before use.
Nature:
Acid is a solid with the form of a white crystal or crystalline powder. It is difficult to dissolve in water, but it is more soluble in organic solvents. It is a weak acid that can react with bases.
Use:
It has a wide range of uses in chemical research and drug synthesis. It can be used as an intermediate for the synthesis of biologically active compounds, such as drugs, pesticides and dyes. It can also be used as a chelating agent and catalyst, and plays an important role in organic synthesis reactions.
Preparation Method:
A commonly used method for the preparation of acid is obtained by the reaction of 1-methylpyrazole and dichloromethane nitrile. The specific procedure involves reacting 1-methylpyrazole with triethyl trifluoroacetate at room temperature and then continuing the reaction with methylene chloride nitrile and sodium acetate.
Safety Information:
The acid is usually relatively safe under normal operating conditions, but appropriate laboratory safety measures still need to be followed. It may be irritating to the skin, eyes and mucous membranes, so direct contact should be avoided during operation. During storage and handling, care should be taken to prevent fire and avoid contact with oxidants. Wear appropriate protective equipment, such as gloves and goggles, if necessary. It is recommended to read and understand the relevant safety data sheets before use.
Last Update：2024-04-09 20:49:11
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