|
Online Edition: "Specifications for Flavourings"
|
|
|
|
New search
print-friendly version
| Flavouring |
3-(Methylthio)propionaldehyde |
| Synonym(s) |
Methional
beta-Methiopropionaldehyde
beta-(Methylmercapto)propionaldehyde
3-(Methylmercapto)propionaldehyde
beta-(Methylthio)propionaldehyde
|
| Latest JECFA evaluation |
2000 (Session 55)
|
| Status of specification |
Full |
| Chemical name |
3-(Methylthio)propionaldehyde
|
| JECFA number |
466 |
| CAS number |
3268-49-3
|
| FEMA number |
2747
|
| COE number |
125
|
| FLAVIS number |
-
|
| Molecular weight |
104.17 |
| Chemical formula |
C4H8OS
|
| Physical form/odour |
colourless to pale yellow liquid; powerful and diffusive onion and meat-like odour; in dilution, more pleasant, less onion-like, remniscient of boullion |
| Solubility |
insoluble in water; soluble in alcohol, propylene glycol and oil |
| Solubility in ethanol |
1 ml in 1 ml 95% alcohol |
| Boiling point (°C) |
165-166 |
| Assay min % |
98 |
| Acid value max |
10.0 |
| Refractive index |
1.479-1.493 |
| Specific gravity |
1.037-1.052 |
| Other requirements |
- |
| ID Test |
IR |
| Spectrum |
http://www.fao.org/ag/agn/jecfa-flav/img/img_add8/466.gif
|
|
