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Online Edition: "Specifications for Flavourings"
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| Flavouring |
4-(Methylthio)-2-butanone |
| Synonym(s) |
-
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| Latest JECFA evaluation |
2000 (Session 55)
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| Status of specification |
Full |
| Chemical name |
4-(Methylthio)-2-butanone
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| JECFA number |
497 |
| CAS number |
34047-39-7
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| FEMA number |
3375
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| COE number |
11688
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| FLAVIS number |
-
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| Molecular weight |
118.19 |
| Chemical formula |
C5H10OS
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| Physical form/odour |
sweet, sulfurous, fruity flavor like arrowhead |
| Solubility |
insoluble in water |
| Solubility in ethanol |
- |
| Boiling point (°C) |
106 (55 mm Hg); 77-78 (20 mm Hg) |
| Assay min % |
97 |
| Acid value max |
- |
| Refractive index |
1.470-1.481 |
| Specific gravity |
1.000-1.007 |
| Other requirements |
- |
| ID Test |
MS |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img_add8/497.gif
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