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 |
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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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