Food safety and quality
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Flavouring |
1-Hydroxy-2-butanone |
Synonym(s) |
2-Oxo-1-butanol;Propionyl carbinol;Ethyl hydroxymethyl ketone;1-Butanol-2-one |
Latest JECFA evaluation |
2007 (Session 68) |
Status of specification |
Full |
Information required |
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Chemical name |
1-Hydroxybutan-2-one |
JECFA number |
1717 |
CAS number |
5077-67-8 |
FEMA number |
3173 |
COE number |
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FLAVIS number |
07.090 |
Molecular weight |
88.11 |
Chemical formula |
C4H8O2 |
Physical form/odour |
Colourless liquid; Fruity aroma |
Solubility |
Insoluble in water; soluble in diethyl ether |
Solubility in ethanol |
Soluble |
Boiling point (°C) |
152-154° |
Assay min % |
90% |
Acid value max |
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Refractive index |
1.417-1.423 |
Specific gravity |
1.017-1.022 (20°) |
Other requirements |
Also contains 5-10% acetoin |
ID Test |
MS |
Spectrum |
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