Food safety and quality
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Flavouring |
trans-2-Hexenal propylene glycol acetal |
Synonym(s) |
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Latest JECFA evaluation |
2008 (Session 69) |
Status of specification |
Full |
Information required |
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Chemical name |
4-Methyl-2-(1E)-1-pentenyl-1,3-dioxolane |
JECFA number |
1801 |
CAS number |
94089-21-1 |
FEMA number |
4272 |
COE number |
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FLAVIS number |
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Molecular weight |
156.22 |
Chemical formula |
C9H16O2 |
Physical form/odour |
Liquid; Weak green and fresh aroma |
Solubility |
Slightly soluble in water; soluble in non-polar solvents |
Solubility in ethanol |
Soluble |
Boiling point (°C) |
118-120° (20 mm Hg) |
Assay min % |
97% |
Acid value max |
1 |
Refractive index |
1.438-1.444 |
Specific gravity |
0.919-0.926 (20°) |
Other requirements |
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ID Test |
HNMR |
Spectrum |
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