Ethyl 2-Methylbutyrate
Aroma Chemical Top Note CAS 7452-79-1
A sharp sweet fruity note with a crisp green apple character. Diffusive and ethereal, it adds a juicy lift to fruity top notes with plum and pineapple nuances.
Odor profile
| Note | Top Note |
| Descriptor 1 | Fruity |
| Descriptor 2 | Strawberry |
| Descriptor 3 | Peach |
| Odor Impact1 | 280 |
| Tenacity1 | 0.99 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 | 7452-79-1 |
| INCI Name | Ethyl 2-methylbutyrate |
| Category | Aroma Chemical |
| Formula | C7H14O2 |
| Mol. Weight | 130.18 |
| IUPAC Name | ethyl 2-methylbutanoate |
| InChIKey | HCRBXQFHJMCTLF-UHFFFAOYSA-N |
Synonyms
Methyl ethyl acetic acid, ethylester, Ethyl-2-methylbutyrate, Sa1292, butanoic acid, 2-methyl-, ethyl ester, butyric acid, 2-methyl-, ethyl ester, cydrane, dorintha, ethyl 2 methyl butyrate, ethyl 2 methyll butyrate synthetic, ethyl 2-methyl butanoate, ethyl 2-methyl butyrate (natural), ethyl 2-methyl butyrate FCC, ethyl 2-methyl butyrate natural, ethyl 2-methyl butyrate pure FCC, ethyl 2-methylbutanoate, ethyl 2-methylbutyrate (natural), ethyl 2-methylbutyrate FCC, ethyl a-methylbutyrate, ethyl alpha-methyl butyrate, ethyl DL-2-methylbutyrate, ethyl methyl butyrate-2, ethyl methyl butyrate-2 natural, ethyl methyl-2-butyrate, ethyl-2-methyl butyrate, ethyl-2-methyl butyrate FCC, ethyl-2-methyl butyrate natural, ethyl-2-methyl butyrate, natural, ethyl-2-methyl-butyrate, nat. ethyl-2-methylbutyrate, ethyl-2-methylbutyrate FCC, ethyl-2-methylbutyrate natural, 2-methyl butanoic acid ethyl ester, 2-methyl butyric acid ethyl ester, 2-methylbutanoic acid ethyl ester, 2-methylbutyric acid ethyl ester, DL-2-methylbutyric acid ethyl ester, berry butyrate
Physical and chemical data
| Boiling Point | 132.5 °C |
| Flash Point | 26.11 °C |
| Density | 0.863 |
| Refractive Index | 1.393 |
| Vapor Pressure | 7.853000 mmHg @ 25.00 C. (est) |
| LogP | 1.9 |
| Solubility | soluble in alcohol, propylene glycol; very slightly soluble in water; miscible with most fixed oils |
| Appearance | Ethyl-2-methyl butyrate appears as a colorless oily liquid with a fruity odor. Insoluble in water and less dense than water. Contact may irritate skin, eyes and mucous membranes. |
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.