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Online Edition: "Specifications for Flavourings"
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| Flavouring |
3-Acetyl-2,5-dimethylthiophene |
| Synonym(s) |
2,5-Dimethyl-3-acetylthiophene
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| Latest JECFA evaluation |
2002 (Session 59)
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| Status of specification |
Full |
| Chemical name |
3-Acetyl-2,5-dimethylthiophene
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| JECFA number |
1051 |
| CAS number |
2530-10-1
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| FEMA number |
3527
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| COE number |
11603
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| FLAVIS number |
-
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| Molecular weight |
154.23 |
| Chemical formula |
C8H10OS
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| Physical form/odour |
Colourless liquid; burnt-roasted, nutty odour |
| Solubility |
Insoluble in water; Soluble in fats, oils, most organic solvents |
| Solubility in ethanol |
Miscible at room temperature |
| Boiling point (°C) |
105-108° (15 mm Hg) |
| Assay min % |
96 |
| Acid value max |
- |
| Refractive index |
1.541-1.548 |
| Specific gravity |
1.084-1.088 |
| Other requirements |
- |
| ID Test |
NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/1051.gif
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