4-Hydroxy-2-methylbutyric acid lactone
alpha-methyl-gamma-butyrolactone
CAS: 1679-47-6
Molecular Formula: C5H8O2
4-Hydroxy-2-methylbutyric acid lactone - Names and Identifiers
4-Hydroxy-2-methylbutyric acid lactone - Physico-chemical Properties
| Molecular Formula | C5H8O2 |
| Molar Mass | 100.12 |
| Density | 1,06 g/cm3 |
| Boling Point | 78-81 °C/10 mmHg (lit.) |
| Flash Point | 163°F |
| Solubility | THF: soluble |
| Vapor Presure | 0.386mmHg at 25°C |
| BRN | 80418 |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.432(lit.) |
4-Hydroxy-2-methylbutyric acid lactone - Risk and Safety
| Safety Description | S23 - Do not breathe vapour. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
4-Hydroxy-2-methylbutyric acid lactone - Introduction
alpha-methyl-gamma-butyrolactone(alpha-methyl-gamma-butyrolactone) is an organic compound with the following properties:
1. Physical properties: alpha-methyl-gamma-butyrolactone is a colorless liquid, with similar flavor of esters. It has low density, good solubility, and can be dissolved in a variety of solvents.
2. Chemical properties: the chemical properties of alpha-methyl-gamma-butyrolactone are relatively stable, and can be transesterified with many compounds, but it will be hydrolyzed to butyric acid under acidic conditions.
alpha-methyl-gamma-butyrolactone has the following applications in some areas:
1. Industrial applications: alpha-methyl-gamma-butyrolactone can be used as a solvent for inks, coatings and cleaners.
2. Medical applications: alpha-methyl-gamma-butyrolactone, as an important intermediate compound, is widely used in drug synthesis.
Regarding the preparation method of alpha-methyl-gamma-butyrolactone, common methods include synthesis through transesterification reaction or through oxidation-cleavage reaction.
Use caution when using or handling alpha-methyl-gamma-butyrolactone and pay attention to the following safety information:
1. Odor identification: alpha-methyl-gamma-butyrolactone has a strong fragrance, but at high concentrations may have a pungent odor, please pay attention to ventilation.
2. Protective measures: contact with alpha-methyl-gamma-butyrolactone, it is recommended to wear protective gloves, safety glasses and protective clothing to prevent direct contact with skin and eyes.
3. Storage requirements: alpha-methyl-gamma-butyrolactone should be stored in a sealed container, away from fire and high temperature, avoid exposure to the sun.
4. Waste disposal: Waste liquids or residues should be disposed of in accordance with local regulations and should not be discharged directly into the environment.
1. Physical properties: alpha-methyl-gamma-butyrolactone is a colorless liquid, with similar flavor of esters. It has low density, good solubility, and can be dissolved in a variety of solvents.
2. Chemical properties: the chemical properties of alpha-methyl-gamma-butyrolactone are relatively stable, and can be transesterified with many compounds, but it will be hydrolyzed to butyric acid under acidic conditions.
alpha-methyl-gamma-butyrolactone has the following applications in some areas:
1. Industrial applications: alpha-methyl-gamma-butyrolactone can be used as a solvent for inks, coatings and cleaners.
2. Medical applications: alpha-methyl-gamma-butyrolactone, as an important intermediate compound, is widely used in drug synthesis.
Regarding the preparation method of alpha-methyl-gamma-butyrolactone, common methods include synthesis through transesterification reaction or through oxidation-cleavage reaction.
Use caution when using or handling alpha-methyl-gamma-butyrolactone and pay attention to the following safety information:
1. Odor identification: alpha-methyl-gamma-butyrolactone has a strong fragrance, but at high concentrations may have a pungent odor, please pay attention to ventilation.
2. Protective measures: contact with alpha-methyl-gamma-butyrolactone, it is recommended to wear protective gloves, safety glasses and protective clothing to prevent direct contact with skin and eyes.
3. Storage requirements: alpha-methyl-gamma-butyrolactone should be stored in a sealed container, away from fire and high temperature, avoid exposure to the sun.
4. Waste disposal: Waste liquids or residues should be disposed of in accordance with local regulations and should not be discharged directly into the environment.
Last Update：2024-04-09 21:54:55
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