Food safety and quality
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Flavouring |
4-Methyl-2-pentanone |
Synonym(s) |
MIBK;Methyl isobutyl ketone |
Latest JECFA evaluation |
1998 (Session 51) |
Status of specification |
Full |
Information required |
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Chemical name |
4-Methylpentan-2-one |
JECFA number |
301 |
CAS number |
108-10-1 |
FEMA number |
2731 |
COE number |
151 |
FLAVIS number |
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Molecular weight |
100.16 |
Chemical formula |
C6H12O |
Physical form/odour |
colourless, mobile liquid with a fruity, ethereal odour |
Solubility |
miscible with alcohol, ether, and to 1 ml in 50 ml of water |
Solubility in ethanol |
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Boiling point (°C) |
117° |
Assay min % |
99.0% |
Acid value max |
2 |
Refractive index |
1.391-1.396 |
Specific gravity |
0.796-0.799 |
Other requirements |
Distillation Range: 114-117°; Water: =<0.1% |
ID Test |
IR |
Spectrum |
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