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Food safety and quality
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| Flavouring |
3-Butylidenephthalide |
| Synonym(s) |
3-n-Butylidene-phthalide; n-Butylidenephthalide; Ligusticum lactone |
| Latest JECFA evaluation |
2023 (Session 96) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
3-Butylidene-1(3H)-isobenzofuranone |
| JECFA number |
1170 |
| CAS number |
551-08-6 |
| FEMA number |
3333 |
| COE number |
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| FLAVIS number |
10.024 |
| Molecular weight |
188.22 |
| Chemical formula |
C12H12O2 |
| Physical form/odour |
Yellow liquid; pervasive warm spicy aroma |
| Solubility |
Insoluble in water; soluble in oils |
| Solubility in ethanol |
soluble |
| Boiling point (°C) |
114-116° (0.05 mm Hg) |
| Assay min % |
95% (sum of isomers) |
| Acid value max |
1 |
| Refractive index |
1.554-1.592 |
| Specific gravity |
1.080-1.117 |
| Other requirements |
Isomers: 86-96% (Z); 2-14% (E) |
| ID Test |
HNMR |
| Spectrum |
 
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