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Online Edition: "Specifications for Flavourings"
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| Flavouring |
Phenylacetaldehyde 2,3-butylene glycol acetal |
| Synonym(s) |
2-Benzyl-4,5-dimethyl-1,3-dioxolane
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| Latest JECFA evaluation |
2002 (Session 59)
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| Status of specification |
Full |
| Chemical name |
4,5-Dimethyl-2-benzyl-1,3-dioxolane
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| JECFA number |
1005 |
| CAS number |
5468-06-4
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| FEMA number |
2875
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| COE number |
669
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| FLAVIS number |
-
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| Molecular weight |
192.26 |
| Chemical formula |
C12H16O2
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| Physical form/odour |
Colourless viscous liquid; sweet floral, somewhat earthy fragrance |
| Solubility |
Insoluble in water; soluble in oils |
| Solubility in ethanol |
Miscible at room temperature |
| Boiling point (°C) |
118° (10 mm Hg) |
| Assay min % |
93 |
| Acid value max |
1.0 |
| Refractive index |
1.496-1.512 |
| Specific gravity |
1.030-1.040 |
| Other requirements |
SC: Butane-2,3-diol |
| ID Test |
NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1005.gif
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