20724-56-5
3-Chloroisoxazole-5-carboxylic acid
CAS: 20724-56-5
Molecular Formula: C4H2ClNO3
20724-56-5 - Names and Identifiers
20724-56-5 - Physico-chemical Properties
| Molecular Formula | C4H2ClNO3 |
| Molar Mass | 147.52 |
| Density | 1.640±0.06 g/cm3(Predicted) |
| Boling Point | 342.6±22.0 °C(Predicted) |
| pKa | 1.92±0.10(Predicted) |
| Storage Condition | Room Temprature |
| Sensitive | Irritant |
| MDL | MFCD01716783 |
20724-56-5 - Risk and Safety
| Hazard Class | IRRITANT |
20724-56-5 - Introduction
Pyroxene (3-chloroisoxazole-5-carboxylic acid) is an organic compound with the chemical formula C4H2ClNO3. Its nature is as follows:
1. appearance: acid is a colorless crystalline solid.
2. solubility: soluble in most organic solvents, such as ethanol, dimethyl sulfoxide, slightly soluble in water.
3. melting point: about 128-131 ℃.
The main uses of acid are as follows:
1. Drug intermediates: It can be used as an important intermediate for the synthesis of chlorisoxazole drugs, and participate in the synthesis of antibiotics and antitumor drugs.
2. pesticide intermediates: in the synthesis of pesticides, can also be used as an important intermediate.
the preparation methods of acid are:
1. Synthesis method: acid can be obtained by the reaction of p-chloronitrobenzene and malonic acid under alkaline conditions.
2. commercial supply: the compound can also be purchased in the market.
Regarding safety information, you need to pay attention to the following points:
1. Avoid direct contact: During operation or storage, avoid direct contact with skin, eyes or respiratory tract to avoid irritation or damage.
2. fire prevention attention: acid is a combustible substance and should be kept away from open flames or high temperature sources to avoid fire.
3. Storage Note: It should be stored in a dry, cool, well-ventilated place, and stored separately from flammable materials, oxidants, etc.
4. operation note: in the operation, should wear appropriate personal protective equipment, such as gloves, protective glasses, etc., to ensure personal safety.
It should be noted that the above information is for reference only. Please refer to the safety data sheet (SDS) of the raw material before use and follow the relevant chemical methods.
1. appearance: acid is a colorless crystalline solid.
2. solubility: soluble in most organic solvents, such as ethanol, dimethyl sulfoxide, slightly soluble in water.
3. melting point: about 128-131 ℃.
The main uses of acid are as follows:
1. Drug intermediates: It can be used as an important intermediate for the synthesis of chlorisoxazole drugs, and participate in the synthesis of antibiotics and antitumor drugs.
2. pesticide intermediates: in the synthesis of pesticides, can also be used as an important intermediate.
the preparation methods of acid are:
1. Synthesis method: acid can be obtained by the reaction of p-chloronitrobenzene and malonic acid under alkaline conditions.
2. commercial supply: the compound can also be purchased in the market.
Regarding safety information, you need to pay attention to the following points:
1. Avoid direct contact: During operation or storage, avoid direct contact with skin, eyes or respiratory tract to avoid irritation or damage.
2. fire prevention attention: acid is a combustible substance and should be kept away from open flames or high temperature sources to avoid fire.
3. Storage Note: It should be stored in a dry, cool, well-ventilated place, and stored separately from flammable materials, oxidants, etc.
4. operation note: in the operation, should wear appropriate personal protective equipment, such as gloves, protective glasses, etc., to ensure personal safety.
It should be noted that the above information is for reference only. Please refer to the safety data sheet (SDS) of the raw material before use and follow the relevant chemical methods.
Last Update：2024-04-09 21:21:28
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