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Online Edition: "Specifications for Flavourings"
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| Flavouring |
3-(Methylthio)-2-butanone |
| Synonym(s) |
-
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| Latest JECFA evaluation |
2007 (Session 68)
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| Status of specification |
Full |
| Chemical name |
3-(Methylthio)-2-butanone
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| JECFA number |
1688 |
| CAS number |
53475-15-3
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| FEMA number |
4181
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| COE number |
-
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| FLAVIS number |
-
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| Molecular weight |
118.2 |
| Chemical formula |
C5H10OS
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| Physical form/odour |
Colourless to yellow liquid; Pungent odour |
| Solubility |
Sparingly soluble |
| Solubility in ethanol |
Soluble |
| Boiling point (°C) |
50-54° (20 mm Hg) |
| Assay min % |
97% |
| Acid value max |
- |
| Refractive index |
1.469-1.471 |
| Specific gravity |
0.975-0.979 |
| Other requirements |
- |
| ID Test |
NMR IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1688-nmr.gif
http://www.fao.org/ag/agn/jecfa-flav/img/jecfa68/1688-ir.gif
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