4-异噁唑甲酸
4-Isoxazolecarboxylic acid
CAS: 6436-62-0
Molecular Formula: C4H3NO3
4-异噁唑甲酸 - Names and Identifiers
| Name | 4-Isoxazolecarboxylic acid |
| Synonyms | 4-Isoxazolecarboxylic acid 4-ISOXAZOLECARBOXYLIC ACID ISOXAZOLE-4-CARBOXYLIC ACID isoxazole-4-carboxylic acid ISOOXAZOLE-4-CARBOXYLIC ACID 1,2-oxazole-4-carboxylic acid 4-Carboxyisoxazole, 1,2-Oxazole-4-carboxylic acid, 4-Carboxy-1,2-oxazole |
| CAS | 6436-62-0 |
| InChI | InChI=1/C4H3NO3/c6-4(7)3-1-5-8-2-3/h1-2H,(H,6,7) |
4-异噁唑甲酸 - Physico-chemical Properties
| Molecular Formula | C4H3NO3 |
| Molar Mass | 113.07 |
| Density | 1.449±0.06 g/cm3(Predicted) |
| Melting Point | 123-124 °C |
| Boling Point | 321.2±15.0 °C(Predicted) |
| Flash Point | 148.1°C |
| Vapor Presure | 0.000125mmHg at 25°C |
| pKa | 3.22±0.10(Predicted) |
| Storage Condition | 2-8°C(protect from light) |
| Refractive Index | 1.516 |
4-异噁唑甲酸 - Risk and Safety
| Hazard Symbols | Xi - Irritant |
4-异噁唑甲酸 - Introduction
4-Isoxazolecarboxylic acid(4-Isoxazolecarboxylic acid) is an organic compound with the chemical formula C4H3NO3. Its nature is as follows:
physical properties: 4-Isoxazolecarboxylic acid is a colorless crystal, soluble in water and some organic solvents.
Chemical properties: It is an acidic substance that can be dissociated in water to produce negative ions. It can also be condensed with amino acids, ketones, etc.
Uses: 4-Isoxazolecarboxylic acid is mainly used as a reagent and intermediate in organic synthesis reactions. It can be used to prepare other isoxazole compounds, such as drugs, pesticides, etc.
preparation method: 4-Isoxazolecarboxylic acid can be synthesized by various methods. the most common method is to crack 1-oxygen -4-oxazolyl acetic acid into 4-Isoxazolecarboxylic acid through acid-catalyzed reaction.
Safety information: 4-Isoxazolecarboxylic acid is relatively stable at room temperature, but avoid contact with strong oxidants and other substances. It may cause irritation to the eyes, skin and respiratory tract. Wear appropriate personal protective equipment when handling. During use or storage, care should be taken to avoid ignition and static electricity. In case of poisoning or irritation, seek medical help immediately.
physical properties: 4-Isoxazolecarboxylic acid is a colorless crystal, soluble in water and some organic solvents.
Chemical properties: It is an acidic substance that can be dissociated in water to produce negative ions. It can also be condensed with amino acids, ketones, etc.
Uses: 4-Isoxazolecarboxylic acid is mainly used as a reagent and intermediate in organic synthesis reactions. It can be used to prepare other isoxazole compounds, such as drugs, pesticides, etc.
preparation method: 4-Isoxazolecarboxylic acid can be synthesized by various methods. the most common method is to crack 1-oxygen -4-oxazolyl acetic acid into 4-Isoxazolecarboxylic acid through acid-catalyzed reaction.
Safety information: 4-Isoxazolecarboxylic acid is relatively stable at room temperature, but avoid contact with strong oxidants and other substances. It may cause irritation to the eyes, skin and respiratory tract. Wear appropriate personal protective equipment when handling. During use or storage, care should be taken to avoid ignition and static electricity. In case of poisoning or irritation, seek medical help immediately.
Last Update：2024-04-09 15:17:59
