Methyl Jasmonate
Aroma Chemical Base Note CAS 39924-52-2
A powerful jasmine note with an oily green petal character and a soft floral lift. Similar to Hedione but stronger, it adds radiance to jasmine and white floral accords.
Odor profile
| Note | Base Note |
| Descriptor 1 | Floral |
| Descriptor 2 | Jasmin |
| Descriptor 3 | Soft |
| Odor Impact1 | 100 |
| Impact Level | Medium |
| Tenacity1 | 256 h |
| Tenacity2 | 256 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 | 39924-52-2 |
| INCI Name | Methyl 3-oxo-pentenyl-cyclopentaneacetate |
| Category | Aroma Chemical |
| Formula | C13H20O3 |
| Mol. Weight | 224.30 |
| IUPAC Name | methyl 2-[3-oxo-2-[(E)-pent-2-enyl]cyclopentyl]acetate |
| InChIKey | GEWDNTWNSAZUDX-SNAWJCMRSA-N |
Synonyms
Methyl 3-oxo-2-(pent-2-enyl)cyclopentaneacetate, jasmoneige, methyl 2-(3-oxo-2-pent-2-enylcyclopentyl)acetate, methyl 3-oxo-2-(pent-2-enyl) cyclopentane acetate, methyl 3-oxo-pentenyl cyclopentane acetate, methyl 3-oxopentenyl cyclopentane acetate, (3-oxo-2-(2- pentenyl)-1-cyclopentyl) acetic acid methyl ester, Research, cyclopentaneacetic acid, 3-oxo-2-(2-penten-1-yl)-, methyl ester, methyl (2-pent-2-enyl-3-oxo-1-cyclopentyl)acetate, methyl [3-oxo-2-(pent-2-en-1-yl)cyclopentyl]acetate, methyl 3-oxo-2-(2-pentenyl)cyclopentaneacetate, methyl-[3-oxo-2-(pent-2-en-1-yl)cyclopentyl]acetat, methyl-3-oxo-2-pent-2-enyl-1-cyclopentylacetate, (3-oxo-2-(2-pentenyl)-1-cyclopentyl) acetic acid methyl ester, (3-oxo-2-(2-pentenyl)-1-cyclopentyl)acetic acid methyl ester, 3-oxo-2-(2-pentenyl)cyclopentaneacetic acid, methyl ester, splendione (Firmenich)
Physical and chemical data
| Boiling Point | 302.5 °C |
| Flash Point | 110.00 °C |
| Density | 1.01500 |
| Refractive Index | 1.47000 |
| Vapor Pressure | 0.001000 mmHg @ 25.00 C. (est) |
| LogP | 1.9 |
| Solubility | alcohol; water, very slightly; water, 143.5 mg/L @ 25 C (est) |
| Appearance | colorless clear oily 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.