Propionaldehyde, also known as acetone, is an organic solvent and chemical raw material. The following is a brief introduction to the properties, uses, production methods, and safety information of propionaldehyde:

Properties:
- Chemical formula: C3H6O
- Molecular weight: 58.08 g/mol
- Appearance: Colorless liquid
- Odor: Fruity smell
- Boiling point: 56-57°C
- Density: 0.79 g/cm3 (20°C)

Uses:
- Solvent: Propionaldehyde is a polar solvent that can be used to dissolve oils, resins, rubber, plastics, and other organic compounds.
- Chemical raw material: Propionaldehyde serves as an important raw material for synthesizing compounds such as acetone acetate, phenol acetate, methylene acetate, and others.
- Pharmaceutical industry: Propionaldehyde can be used in the preparation of certain drugs like ketoconazole and vitamin A.
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