3-METHYL-5-ISOXAZOLEACETIC ACID
3-METHYL-5-ISOXAZOLEACETIC ACID
CAS: 19668-85-0
Molecular Formula: C6H7NO3
3-METHYL-5-ISOXAZOLEACETIC ACID - Names and Identifiers
3-METHYL-5-ISOXAZOLEACETIC ACID - Physico-chemical Properties
| Molecular Formula | C6H7NO3 |
| Molar Mass | 141.12 |
| Density | 1.292±0.06 g/cm3(Predicted) |
| Melting Point | 101-104 °C (lit.) |
| Boling Point | 306.7±27.0 °C(Predicted) |
| Appearance | Form Fine Crystalline Powder or Needle-Like Crystals, color White, darkens on exposure to light |
| Color | White, darkens on exposure to light |
| pKa | 3.70±0.10(Predicted) |
| Storage Condition | 2-8°C |
3-METHYL-5-ISOXAZOLEACETIC ACID - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| HS Code | 29349990 |
3-METHYL-5-ISOXAZOLEACETIC ACID - Introduction
3-METHYL-5-ISOXAZOLEACETIC ACID is an organic compound with the chemical formula C6H7NO3. The following is a description of its nature, use, preparation and safety information:
Nature:
-Appearance: White crystalline solid
-Melting Point: 157-160 ℃
-relative molecular mass: 141.13g/mol
-Solubility: Slightly soluble in water, soluble in alcohol, ether and organic solvents
-Chemical properties: 3-methyll-5-isoxazoleacetic ACID can be acylated, carbonylated and substituted by ACID-catalyzed reactions.
Use:
-Pharmaceutical field: 3-METHYL-5-ISOXAZOLEACETIC ACID is used as a synthetic intermediate and is commonly used in the preparation of drugs and biologically active molecules.
-Pesticide field: It can also be used as a raw material for pesticides, used to prepare pesticides, fungicides and herbicides.
Method:
The preparation method of 3-methyll-5-isoxazoleacetic ACID is more complicated, but it can be carried out through the following steps:
1. First prepare 5-Isoxazolylmethanol (5-Isoxazolylmethanol).
2. Using pyruvic acid (Acetone) and Potassium nitrate (Potassium nitrate) in the presence of iodide ions for nitration reaction, preparation of 5-Isoxazolylcarboxylic acid (5-Isoxazolylcarboxylic acid).
3. Acylation of 5-isoxazolyl carboxylic ACID using methanol and sulfuric ACID to generate 3-METHYL-5-ISOXAZOLEACETIC ACID.
Safety Information:
When handling 3-methyll-5-isoxazoleacetic ACID, the following safety precautions should be taken:
-Avoid contact with skin and eyes. If contact occurs, rinse immediately with plenty of water.
-Wear appropriate personal protective equipment such as goggles, gloves and lab coats.
-Avoid inhaling its vapor or dust, and provide adequate ventilation during operation.
-When performing laboratory-scale preparations, follow the safe practices of the chemical laboratory.
Nature:
-Appearance: White crystalline solid
-Melting Point: 157-160 ℃
-relative molecular mass: 141.13g/mol
-Solubility: Slightly soluble in water, soluble in alcohol, ether and organic solvents
-Chemical properties: 3-methyll-5-isoxazoleacetic ACID can be acylated, carbonylated and substituted by ACID-catalyzed reactions.
Use:
-Pharmaceutical field: 3-METHYL-5-ISOXAZOLEACETIC ACID is used as a synthetic intermediate and is commonly used in the preparation of drugs and biologically active molecules.
-Pesticide field: It can also be used as a raw material for pesticides, used to prepare pesticides, fungicides and herbicides.
Method:
The preparation method of 3-methyll-5-isoxazoleacetic ACID is more complicated, but it can be carried out through the following steps:
1. First prepare 5-Isoxazolylmethanol (5-Isoxazolylmethanol).
2. Using pyruvic acid (Acetone) and Potassium nitrate (Potassium nitrate) in the presence of iodide ions for nitration reaction, preparation of 5-Isoxazolylcarboxylic acid (5-Isoxazolylcarboxylic acid).
3. Acylation of 5-isoxazolyl carboxylic ACID using methanol and sulfuric ACID to generate 3-METHYL-5-ISOXAZOLEACETIC ACID.
Safety Information:
When handling 3-methyll-5-isoxazoleacetic ACID, the following safety precautions should be taken:
-Avoid contact with skin and eyes. If contact occurs, rinse immediately with plenty of water.
-Wear appropriate personal protective equipment such as goggles, gloves and lab coats.
-Avoid inhaling its vapor or dust, and provide adequate ventilation during operation.
-When performing laboratory-scale preparations, follow the safe practices of the chemical laboratory.
Last Update：2024-04-09 02:00:51
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CAS: 19668-85-0
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CAS: 19668-85-0
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