2-(p-Tolyl)propionaldehyde
Aroma Chemical CAS 99-72-9
A soft floral note with a green woody character and a powdery herbal facet. Sweet and natural, it adds a floral lift to compositions.
Odor profile
| Descriptor 1 | Green |
| Descriptor 2 | Floral |
| Descriptor 3 | Aldehydic |
Identification
| CAS Number | 99-72-9 |
| INCI Name | Methyl hydratropaldehyde |
| Category | Aroma Chemical |
| Formula | C10H12O |
| Mol. Weight | 148.20 |
| IUPAC Name | 2-(4-methylphenyl)propanal |
| InChIKey | JTZWVKUZBNHSSW-UHFFFAOYSA-N |
Synonyms
benzeneacetaldehyde, a,4-dimethyl-, alpha,4-dimethyl benzene acetaldehyde, alpha,4-dimethylbenzeneacetaldehyde, hydratropaldehyde p-methyl-, hydratropaldehyde, p-methyl-, p-methyl hydratropaldehyde, 2,4-methyl phenyl propionaldehyde, 2-(4-methyl phenyl) propionaldehyde, 2-(para-methyl phenyl) propionaldehyde, methyl-a-methylphenylacetaldehyde, p-, para-methyl-alpha-methyl phenyl acetaldehyde, p-methyl-alpha-methylphenylacetaldehyde, 4-methylhydratropaldehyde, p-methylhydratropaldehyde, para-methylhydratropaldehyde, methylhydratropic aldehyde, p-, 2-(4-methylphenyl)-propanal, 2-(4-methylphenyl)propanal, 2-(4-methylphenyl)propionaldehyde, 2-(p-methylphenyl)propionaldehyde, 2,4-methylphenylpropionaldehyde, propionaldehyde, 2-(p-tolyl)-, 2-(para-tolyl) propanal, 2-(para-tolyl) propionaldehyde, 2-(para-tolyl) propionic aldehyde, 2-(p-tolyl)propanal, 2-(p-tolyl)propionic aldehyde, 2-p-tolyl-propionaldehyde
Physical and chemical data
| Boiling Point | 222.00 °C |
| Flash Point | 100.56 °C |
| Density | 0.97900 |
| Refractive Index | 1.51300 |
| Vapor Pressure | 0.080000 mmHg @ 25.00 C. (est) |
| LogP | 2.544 |
| Solubility | alcohol; water, 558.6 mg/L @ 25 C (est); For experimental / research use only. |
| Appearance | pale 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.