Food safety and quality
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Flavouring |
Dehydrodihydroionone |
Synonym(s) |
Dehydrodihydro-beta-ionone |
Latest JECFA evaluation |
2003 (Session 61) |
Status of specification |
Full |
Information required |
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Chemical name |
4-(2,6,6-Trimethyl-1,3-cyclohexadienyl)-3-butan-2-one |
JECFA number |
396 |
CAS number |
20483-36-7 |
FEMA number |
3447 |
COE number |
11057 |
FLAVIS number |
07.115 |
Molecular weight |
192.3 |
Chemical formula |
C13H20O |
Physical form/odour |
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Solubility |
soluble in alcohol and most fixed oils; insoluble in water |
Solubility in ethanol |
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Boiling point (°C) |
98° (2.6 mm Hg) |
Assay min % |
70% |
Acid value max |
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Refractive index |
1.499-1.505 |
Specific gravity |
0.928-0.935 |
Other requirements |
SC: tetrahydroionone |
ID Test |
GC |
Spectrum |
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