Ethyl Isovalerate
Aroma Chemical Top Note CAS 108-64-5
A sweet fruity note with apple and pineapple facets and a tutti frutti lift. Bright and diffusive, it rounds fruity top notes naturally.
Odor profile
| Note | Top Note |
| Descriptor 1 | Fruity |
| Descriptor 2 | Berry |
| Descriptor 3 | Pineapple |
| Odor Impact1 | 150 |
| Tenacity1 | 0.19 h |
| Tenacity2 | 4 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 | 108-64-5 |
| INCI Name | Ethyl isovalerate |
| Category | Aroma Chemical |
| Formula | C7H14O2 |
| Mol. Weight | 130.18 |
| IUPAC Name | ethyl 3-methylbutanoate |
| InChIKey | PPXUHEORWJQRHJ-UHFFFAOYSA-N |
Synonyms
Ethyl 3-methyl Butanoate, Ethyl isopentanoate, Ethyl Isovalerianate, Ethyl Beta-methyl Butyrate, Butanoic acid, 3-methyl-, ethyl ester, Ethyl 3-methylbutanoate, Isovalerianate d'Ethyl, butyric acid, 3-methyl-, ethyl ester, ethyl 3-methyl butyrate, ethyl 3-methylbutyrate, ethyl iso valerate, ethyl iso-valerate FCC, nat. ethyl isovalerate, ethyl isovalerate (ethyl 3-methylbutyrate), ethyl isovalerate (natural), ethyl isovalerate FCC, ethyl isovalerate natural, ethyl isovalerate, natural, ethyl-3-methylbutanoat, ethylisovalerate, 3-methyl butanoic acid ethyl ester, 3-methyl butyric acid ethyl ester, 3-methylbutanoic acid ethyl ester, 3-methylbutyric acid ethyl ester, iso valeric acid ethyl ester, iso valeric acid ethylester, iso valeric acid, ethyl ester
Physical and chemical data
| Boiling Point | 132.0 °C |
| Melting Point | -99.3 °C |
| Flash Point | 35.00 °C |
| Density | 0.862 |
| Refractive Index | 1.395 |
| Vapor Pressure | 7.853000 mmHg @ 25.00 C. (est) |
| LogP | 1.7 |
| Solubility | soluble in propylene glycol, 1 ml in 350 ml water; miscible with alcohol, most fixed oils |
| Appearance | Ethyl isovalerate appears as a colorless oily liquid with a strong odor similar to apples. Less dense than water. Vapors heavier than air. May mildly irritate skin and eyes. |
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.