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| English Name | Acetoin |
| CAS RN | 513-86-0 |
| EINECS No | 208-174-1 |
| Molecular Formula | C4H8O2 |
| Molecular Weight | 88.11 |
| Physical and Chemical Properties | Appearance: The dimer is a white crystalline powder, and the monomer is a colorless or pale yellow liquid with a pleasant creamy aroma.Density (g/cm³, 25/4℃): 1.013Relative Density (20℃, 4℃): 1.0101Melting Point: 15℃Boiling Point (at atmospheric pressure): 148℃Refractive Index (n20, ambient temperature): 1.4141Refractive Index (n20D): 1.417Flash Point: 50℃ |
| Uses | Specified in GB 2760—1996 as a permitted food flavoring, it presents a milk-like aroma and is mainly used in formulating flavors for cream, dairy products, yogurt and strawberry. It is also applied in organic synthesis, and can be used to produce 2,3-butanedione for the preparation of cream, dairy, yogurt and strawberry flavors. In addition, it serves as a pharmaceutical intermediate and a food flavoring agent. |
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