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Online Edition: "Specifications for Flavourings"
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| Flavouring |
4,5-Dihydro-3(2H) thiophenone |
| Synonym(s) |
Tetrahydrothiophene-3-one
3-Thiophane
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| Latest JECFA evaluation |
2000 (Session 55)
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| Status of specification |
Full |
| Chemical name |
4,5-Dihydro-3(2H)-thiophenone
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| JECFA number |
498 |
| CAS number |
1003-04-9
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| FEMA number |
3266
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| COE number |
2337
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| FLAVIS number |
-
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| Molecular weight |
102.15 |
| Chemical formula |
C4H6OS
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| Physical form/odour |
colourless to yellow liquid with garlic, meaty, green vegetable, buttery odour |
| Solubility |
- |
| Solubility in ethanol |
- |
| Boiling point (°C) |
174-175; 73 (15 mm Hg) ; 86-87 (25 mm Hg) |
| Assay min % |
97 |
| Acid value max |
- |
| Refractive index |
1.527-1.531 |
| Specific gravity |
1.194-1.199 (20°) |
| Other requirements |
- |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img_add8/498.gif
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