|
Online Edition: "Specifications for Flavourings"
|
|
|
|
New search
print-friendly version
| Flavouring |
1-Methylthio-2-propanone |
| Synonym(s) |
(Methylthio)acetone, alpha(Methylthio)acetone
alpha-(Methylthio)propanone
2-Propanone, 1-(methylthio)-
2-Thia-4-pentanone
|
| Latest JECFA evaluation |
2003 (Session 61)
|
| Status of specification |
Full |
| Chemical name |
1-Methylthio-2-propanone
|
| JECFA number |
495 |
| CAS number |
14109-72-9
|
| FEMA number |
3882
|
| COE number |
-
|
| FLAVIS number |
-
|
| Molecular weight |
104.17 |
| Chemical formula |
C4H8OS
|
| Physical form/odour |
colourless to pale yellow liquid with odour of melon |
| Solubility |
very slightly soluble in water; soluble in alcohols and oils |
| Solubility in ethanol |
- |
| Boiling point (°C) |
35-40 (15 mm Hg) |
| Assay min % |
97 |
| Acid value max |
- |
| Refractive index |
1.395-1.405 |
| Specific gravity |
0.967-0.973 |
| Other requirements |
- |
| ID Test |
NMR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img/495.gif
|
|
