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Online Edition: "Specifications for Flavourings"
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| Flavouring |
2,6-Dimethyl-5-heptenal |
| Synonym(s) |
Melonal
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| Latest JECFA evaluation |
2003 (Session 61)
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| Status of specification |
Full |
| Chemical name |
2,6-Dimethylhept-5-en-1-al
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| JECFA number |
349 |
| CAS number |
106-72-9
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| FEMA number |
2389
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| COE number |
2006
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| FLAVIS number |
05.074
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| Molecular weight |
140.23 |
| Chemical formula |
C9H16O
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| Physical form/odour |
pale yellow liquid with a melon-like odour |
| Solubility |
soluble in ethanol; insoluble in glycerol and water |
| Solubility in ethanol |
1 ml in 1 ml 95% alcohol; 1 ml in 2 ml 70% alcohol |
| Boiling point (°C) |
116-124 (100 mm Hg) |
| Assay min % |
85 |
| Acid value max |
5 |
| Refractive index |
1.442-1.448 |
| Specific gravity |
0.845-0.854 |
| Other requirements |
SC: 6-methyl-5-hepten-2-one, 2,6 dimethyl-6-heptenal |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/349.gif
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