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Food safety and quality
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| Flavouring |
trans-2-Methyl-2-butenoic acid |
| Synonym(s) |
Tiglic acid;trans-2-Methylcrotonic acid;Tiglinic acid;(E)-2,3-Dimethylacrylic acid;Cevadic acid |
| Latest JECFA evaluation |
2003 (Session 61) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
2-Methyl-2-(E)-butenoic acid |
| JECFA number |
1205 |
| CAS number |
80-59-1 |
| FEMA number |
3599 |
| COE number |
|
| FLAVIS number |
08.064 |
| Molecular weight |
100.1 |
| Chemical formula |
C5H8O2 |
| Physical form/odour |
White crystalline solid; sweet, warm, spicy aroma |
| Solubility |
Slightly soluble in water; insoluble in oils |
| Solubility in ethanol |
soluble |
| Boiling point (°C) |
NA |
| Assay min % |
99% |
| Acid value max |
|
| Refractive index |
NA |
| Specific gravity |
NA |
| Other requirements |
mp: 61-67° |
| ID Test |
MS |
| Spectrum |
 
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