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Online Edition: "Specifications for Flavourings"
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| Flavouring |
1-(Methylthio)-2-butanone |
| Synonym(s) |
2-Thia-4-hexanone
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| Latest JECFA evaluation |
1999 (Session 53)
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| Status of specification |
Full |
| Chemical name |
1-(Methylthio)-2-butanone
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| JECFA number |
496 |
| CAS number |
13678-58-5
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| FEMA number |
3207
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| COE number |
11543
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| FLAVIS number |
-
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| Molecular weight |
118.19 |
| Chemical formula |
C5H10OS
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| Physical form/odour |
colourless liquid; odour remniscient of mushroom with a characterisitic garlic undertone |
| Solubility |
- |
| Solubility in ethanol |
- |
| Boiling point (°C) |
52-53 (8 mm Hg) |
| Assay min % |
99 |
| Acid value max |
- |
| Refractive index |
1.470-1.485 |
| Specific gravity |
0.997 (22°) |
| Other requirements |
- |
| ID Test |
IR, CNMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/496-ir.gif
http://www.fao.org/ag/agn/jecfa-flav/img/img/496-cnmr.gif
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