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Food safety and quality
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| Flavouring |
2-(Methylthio)methyl-2-butenal |
| Synonym(s) |
2-Ethylidenemethional |
| Latest JECFA evaluation |
2003 (Session 61) |
| Status of specification |
Full |
| Information required |
SG |
| Chemical name |
2-(Methylthiomethyl)-2-butenal |
| JECFA number |
470 |
| CAS number |
40878-72-6 |
| FEMA number |
3601 |
| COE number |
11549 |
| FLAVIS number |
12.079 |
| Molecular weight |
130.21 |
| Chemical formula |
C6H10OS |
| Physical form/odour |
slightly yellow liquid with odour of burnt matches, cooked cabbage, or roasted onion |
| Solubility |
insoluble in water; soluble in fats |
| Solubility in ethanol |
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| Boiling point (°C) |
77° (5mm Hg) |
| Assay min % |
99% |
| Acid value max |
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| Refractive index |
1.5228-1.5328 |
| Specific gravity |
0.982-0.987 |
| Other requirements |
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| ID Test |
IR |
| Spectrum |
 
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