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Food safety and quality
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| Flavouring |
2,4-Dimethyl-2-pentenoic acid |
| Synonym(s) |
|
| Latest JECFA evaluation |
2003 (Session 61) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
2,4-Dimethyl-2-pentenoic acid |
| JECFA number |
1211 |
| CAS number |
66634-97-7 |
| FEMA number |
3143 |
| COE number |
|
| FLAVIS number |
08.044 |
| Molecular weight |
128.17 |
| Chemical formula |
C7H12O2 |
| Physical form/odour |
Colourless liquid; pungent, sickly sweet |
| Solubility |
Very slightly soluble in water; soluble in oils |
| Solubility in ethanol |
soluble |
| Boiling point (°C) |
133-134° (15 mm Hg) |
| Assay min % |
92% (sum of isomers) |
| Acid value max |
|
| Refractive index |
1.459-1.467 |
| Specific gravity |
0.991-0.999 |
| Other requirements |
SC: 4-methyl-2-methylenevaleric acid |
| ID Test |
NMR |
| Spectrum |
 
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