Para-methyl Acetophenone
Aroma Chemical Top Note CAS 122-00-9
A sweet floral note with a hawthorn and mimosa character and a soft coumarin facet. Hay like and natural, it adds a powdery floral warmth to mimosa accords.
Odor profile
| Note | Top Note |
| Descriptor 1 | Floral |
| Descriptor 2 | Soft |
| Descriptor 3 | Heliotrope |
| Odor Impact1 | 216 |
| Tenacity1 | 8.3 h |
| Tenacity2 | 20 h |
1 Source: PerfumersWorld
2 Source: The Good Scents Company
Both tenacity figures are blotter life. The two labs use different evaluation protocols, so the numbers are not directly comparable — read them as two independent readings, not as a contradiction.
Identification
| CAS Number | 122-00-9 |
| INCI Name | P-methyl acetophenone |
| Category | Aroma Chemical |
| Formula | C9H10O |
| Mol. Weight | 134.17 |
| IUPAC Name | 1-(4-methylphenyl)ethanone |
| InChIKey | GNKZMNRKLCTJAY-UHFFFAOYSA-N |
Synonyms
4'-Methylacetophenone, P-tolyl Methyl Ketone, Methyl P-tolyl Ketone, P-methyl acetophenone, Acetyl Toluene, P, Tolyl Methyl Ketone, Methyl acetophenone, 4-methyl-, p-acetotoluene, para-acetotoluene, p-acetyl toluene, para-acetyl toluene, 1-acetyl-4-methyl benzene, 1-acetyl-4-methylbenzene, p-acetyltoluene, para-acetyltoluene, ethanone, 1- (4-methylphenyl)-, ethanone, 1-(4-methylphenyl)-, melilotal, 4-methyl acetophenone, methyl acetophenone extra FCC, methyl acetophenone para, methyl para-tolyl ketone, 4-methyl phenyl methyl ketone, 1-(4-methyl phenyl) ethanone, 1-methyl-4-acetyl benzene, 1-methyl-4-acetylbenzene, 4-methylacetophenone, p-methylacetophenone, para-methylacetophenone, 4-methylphenyl methyl ketone, 1-(4-methylphenyl)ethan-1-one, 1-(4-methylphenyl)ethanone, 4-methylphenylmethyl ketone, 1-p-tolyl ethanone, 1-para-tolyl ethanone, para-tolyl methyl ketone, tolyl methyl ketone, p-, 1-p-tolyl-ethanone, acetophenone
Physical and chemical data
| Boiling Point | 224.0 °C |
| Melting Point | 28.0 °C |
| Flash Point | 92.22 °C |
| Density | 0.999 |
| Refractive Index | 1.53 |
| Vapor Pressure | 0.22 [mmHg] |
| LogP | 2.1 |
| Solubility | insoluble in water; soluble in organic solvents, oils |
| Appearance | 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.