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Food safety and quality
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| Flavouring |
Citral dimethyl acetal |
| Synonym(s) |
3,7-Dimethyl-2,6-octadienyl dimethyl acetal |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
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| Chemical name |
1,1-Dimethoxy-3,7-dimethyl-2,6-octadiene |
| JECFA number |
944 |
| CAS number |
7549-37-3 |
| FEMA number |
2305 |
| COE number |
39 |
| FLAVIS number |
|
| Molecular weight |
198.31 |
| Chemical formula |
C12H22O2 |
| Physical form/odour |
colourless to yellowish liquid with a mild, fresh, citrus, herbaceous odour |
| Solubility |
insoluble in water; soluble in organic solvents, oils |
| Solubility in ethanol |
miscible at room temperature |
| Boiling point (°C) |
105-106° (10 mm Hg) |
| Assay min % |
92% (sum of isomers) |
| Acid value max |
2 |
| Refractive index |
1.450-1.463 |
| Specific gravity |
0.881-0.893 |
| Other requirements |
Minimum assay (sum of isomers + hemiacetals + citral): 98% |
| ID Test |
IR |
| Spectrum |
 
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