5-hydroxy-3-Methyl-2(5h)-furanone is an organic compound with the chemical formula C5H6O3 and a molecular weight of 114.10g/mol. The following is a description of the properties, uses, preparation and safety information of the compound:
Properties: 5-hydroxy-3-Methyl-2(5h)-furanone is a colorless liquid with aromatic flavor. It is soluble in alcohol, ethanol and other organic solvents at room temperature, and insoluble in water. It has a melting point of 31-33 ° C. And a boiling point of 234-236 ° C.
Uses: 5-hydroxy-3-Methyl-2(5h)-furanone is widely used in food and flavor industries. It has a unique fruit and sweetness that can be used to add flavor and taste to food and beverages. In addition, it can also be used as an ingredient in Fragrances and Perfumes to bring a special aroma to the product.
Preparation method: 5-hydroxy-3-Methyl-2(5h)-furanone can be prepared by the following method:
1. It is prepared by the heating reaction of p-hydroxyacetone (3-hydroxy-2-butanone) and acidic copper bromide.
2. It is prepared by the heating reaction of 2-mercaptoacetone (2-mercaptoacetone) and malononitrile (propanedinitrile) in the presence of ammonia water.
Safety information: 5-hydroxy-3-Methyl-2(5h)-furanone is generally considered to be a relatively safe compound. However, it may be irritating and sensitive to the human body. Therefore, direct contact should be avoided during use and appropriate personal protective equipment should be worn when necessary. At the same time, it should be stored in a dry, ventilated place, away from open flames and high temperatures.