3-(methylthio)propionaldehyde
Aroma Chemical CAS 3268-49-3
A musty note with a potato and tomato character and a soft earthy facet. Vegetal and creamy, it adds a savoury green depth in traces.
Odor profile
| Descriptor 1 | Food-like |
| Descriptor 2 | Vegetable |
| Descriptor 3 | Fatty |
Identification
| CAS Number | 3268-49-3 |
| Category | Aroma Chemical |
| Formula | C4H8OS |
| Mol. Weight | 104.17 |
| IUPAC Name | 3-methylsulfanylpropanal |
| InChIKey | CLUWOWRTHNNBBU-UHFFFAOYSA-N |
Synonyms
methional (3 methyl thio-propanal), methional 10% in ethyl alcohol, methional 5% in ETOH natural, methional 5% in OS natural, methional FCC, methional natural, beta-methiopropionaldehyde, beta-( methyl mercapto) propionaldehyde, methyl mercaptopropionaldehyde, 3-methyl mercaptopropionaldehyde, beta-methyl mercaptopropionaldehyde, methyl mercaptopropionic aldehyde, 3-methyl mercaptopropyl aldehyde, 3-( methyl thio) propanal, 3-( methyl thio) propionaldehyde, beta-( methyl thio) propionaldehyde, 3-methyl thiopropionaldehyde, beta-methyl thiopropionaldehyde, 3-methyl-thio-propanal, 3-( methylmercapto)propionaldehyde, beta-( methylmercapto)propionaldehyde, 3-methylmercaptopropyl aldehyde, 3-( methylsulfanyl)propanal, 3-methylsulfanylpropanal, 3-methylthio propionaldehyde, 3-( methylthio)propanal, 3-( methylthio)propionaldehyde, beta-( methylthio)propionaldehyde, 3-methylthiopropanal, propanal, 3-(methylthio)-, propionaldehyde, 3-(methylthio)-, 4-thiapentanal, 3-methylthio-propionaldehyde, 3-methylthiopropionaldehyde
Physical and chemical data
| Boiling Point | 165.00 °C |
| Flash Point | 63.89 °C |
| Density | 1.03500 |
| Refractive Index | 1.47500 |
| Vapor Pressure | 1.641000 mmHg @ 25.00 C. (est) |
| LogP | 0.436 |
| Solubility | alcohol; dipropylene glycol; propylene glycol |
| Appearance | colorless to yellow clear liquid |
All figures on this page are guide values collected from public reference works and supplier declarations. They differ between batches, origins and qualities. The data sheet of your own supplier is always the authoritative document for the material you actually use.