Food safety and quality
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Flavouring |
3-(Methylthio)-2-butanone |
Synonym(s) |
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Latest JECFA evaluation |
2007 (Session 68) |
Status of specification |
Full |
Information required |
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Chemical name |
3-(Methylthio)-2-butanone |
JECFA number |
1688 |
CAS number |
53475-15-3 |
FEMA number |
4181 |
COE number |
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FLAVIS number |
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Molecular weight |
118.2 |
Chemical formula |
C5H10OS |
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 |
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Refractive index |
1.469-1.471 |
Specific gravity |
0.975-0.979 |
Other requirements |
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ID Test |
NMR IR |
Spectrum |
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