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Online Edition: "Specifications for Flavourings"
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| Flavouring |
4,5-Dimethyl-3-hydroxy-2,5-dihydrofuran-2-one |
| Synonym(s) |
2,3-Dimethyl-4-hydroxy-2,5-dihydrofuran-5-one
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| Latest JECFA evaluation |
2000 (Session 55)
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| Status of specification |
Full |
| Chemical name |
2-Hydroxy-3-methyl-2-penten-4-olide
3-Hydroxy-4,5-dimethyl-2(5)-furanone
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| JECFA number |
243 |
| CAS number |
28664-35-9
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| FEMA number |
3634
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| COE number |
11834
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| FLAVIS number |
-
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| Molecular weight |
128.13 |
| Chemical formula |
C6H8O3
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| Physical form/odour |
clear, yellow liquid |
| Solubility |
- |
| Solubility in ethanol |
- |
| Boiling point (°C) |
81 (6 mm Hg) |
| Assay min % |
97.5 |
| Acid value max |
- |
| Refractive index |
- |
| Specific gravity |
- |
| Other requirements |
Melting point c.25° |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/243.gif
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