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Food safety and quality
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| Flavouring |
Heptanal glyceryl acetal (mixed 1,2 and 1,3 acetals) |
| Synonym(s) |
Heptaldehyde glyceryl acetal |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
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| Chemical name |
Mixture of 2-Hexyl-4-hydroxymethyl-1,3-dioxolane and 2-Hexyl-5-hydroxy-1,3-dioxane |
| JECFA number |
912 |
| CAS number |
1708-35-6 |
| FEMA number |
2542 |
| COE number |
2016 |
| FLAVIS number |
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| Molecular weight |
188.27 |
| Chemical formula |
C10H20O3 |
| Physical form/odour |
colourless viscous liquid with a mild, sweet, mushroom-like odour |
| Solubility |
slightly soluble in water; soluble in organic solvents, oils |
| Solubility in ethanol |
miscible |
| Boiling point (°C) |
100° (4 mm Hg) |
| Assay min % |
96% (total of mixed isomers and unreacted aldehyde) |
| Acid value max |
1 |
| Refractive index |
1.445-1.455 |
| Specific gravity |
0.990-1.003 |
| Other requirements |
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| ID Test |
IR |
| Spectrum |
 
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