Food safety and quality
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Flavouring |
3-[3-(2-Isopropyl-5-methylcyclohexyl)-ureido]-butyric acid ethyl ester |
Synonym(s) |
3-[3-(2-Isopropyl-5-methyl-cyclohexyl)ureido-butyric acid ethyl ester |
Latest JECFA evaluation |
2014 (Session 79) |
Status of specification |
Full |
Information required |
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Chemical name |
ethyl 3-(3-(2-isopropyl-5-methylcyclohexyl)ureido)butanoate |
JECFA number |
2203 |
CAS number |
1160112-20-8 |
FEMA number |
4766 |
COE number |
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FLAVIS number |
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Molecular weight |
312.45 |
Chemical formula |
C17H32N2O3 |
Physical form/odour |
Pearl-white powder, Bland aroma |
Solubility |
Practically insoluble to insoluble |
Solubility in ethanol |
Soluble |
Boiling point (°C) |
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Assay min % |
95% (Sum of isomers) |
Acid value max |
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Refractive index |
NA |
Specific gravity |
NA |
Other requirements |
melting point: 108-113ºC; Isomers: 93-98% (3R(1S, 2S, 5R)), 3S((1S, 2S, 5R)), (3R(1R, 2R, 5S)), (3S((1R, 2R, 5S)); and 0-5% (sum of all other isomers) |
ID Test |
IR, MS, HNMR |
Spectrum |
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