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Food safety and quality
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|
|
| |
| Flavouring |
Acetoin |
| Synonym(s) |
Dimethylketol;Acetyl methyl carbinol |
| Latest JECFA evaluation |
1998 (Session 51) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
3-Hydroxy-2-butanone |
| JECFA number |
405 |
| CAS number |
513-86-0 |
| FEMA number |
2008 |
| COE number |
749 |
| FLAVIS number |
|
| Molecular weight |
88.11 |
| Chemical formula |
C4H8O2 |
| Physical form/odour |
colourless to pale yellow liquid (monomer), or white crystalline powder (dimer) with a buttery odour |
| Solubility |
insoluble in vegetable oils; miscible with alcohol, water, propylene glycol |
| Solubility in ethanol |
|
| Boiling point (°C) |
148° |
| Assay min % |
96.0% |
| Acid value max |
|
| Refractive index |
1.417-1.420 |
| Specific gravity |
1.005-1.019 |
| Other requirements |
|
| ID Test |
IR |
| Spectrum |
 
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