Food safety and quality
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Flavouring |
Undecanoic acid |
Synonym(s) |
n-Undecylic acid |
Latest JECFA evaluation |
2000 (Session 55) |
Status of specification |
Full |
Information required |
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Chemical name |
Undecanoic acid |
JECFA number |
108 |
CAS number |
112-37-8 |
FEMA number |
3245 |
COE number |
696 |
FLAVIS number |
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Molecular weight |
186.29 |
Chemical formula |
C11H22O2 |
Physical form/odour |
colourless crystals/ faint fatty, aldehydic odour |
Solubility |
Insoluble in water; very soluble in alcohol, chloroform, acetone |
Solubility in ethanol |
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Boiling point (°C) |
284° |
Assay min % |
99% |
Acid value max |
295-301 |
Refractive index |
1.4355 (30°) |
Specific gravity |
0.9948 (20°/20°) |
Other requirements |
Melting point: 33-38° |
ID Test |
IR |
Spectrum |
![](https://www.fao.org/fileadmin/user_upload/jecfa/img/108.gif)
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