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Online Edition: "Specifications for Flavourings"
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| Flavouring |
Citral dimethyl acetal |
| Synonym(s) |
3,7-Dimethyl-2,6-octadienyl dimethyl acetal
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| Latest JECFA evaluation |
2001 (Session 57)
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| Status of specification |
Full |
| Chemical name |
1,1-Dimethoxy-3,7-dimethyl-2,6-octadiene
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| JECFA number |
944 |
| CAS number |
7549-37-3
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| FEMA number |
2305
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| COE number |
39
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| FLAVIS number |
-
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| Molecular weight |
198.31 |
| Chemical formula |
C12H22O2
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| 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 |
2.0 |
| 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 |
http://www.fao.org/ag/agn/jecfa-flav/img/img/944.gif
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