Ethyl-2-Methylbutyrate
FRUITS, VEGETABLES AND NUTS / fruity · apple · green
Ethyl-2-Methylbutyrate
| Category | FRUITS, VEGETABLES AND NUTS |
| Subcategory | fruity · apple · green |
| Origin | |
| Volatility | Top Note / Heart Note |
| Botanical | N/A — synthetic molecule |
| Appearance | colorless clear liquid |
| Producing Countries | N/A — synthetic (manufactured globally) |
| Pyramid | Top-Heart |
Bright, fruity, apple-like. Ethyl 2-methylbutyrate (CAS 7452-79-1) is the defining green-apple ester: sharp, bright, immediately recognizable.
Scent
Evolution over time
Immediately
Immediately
Sharp green-apple burst
After a few hours
After a few hours
Rapidly fading
After a few days
After a few days
Gone within 20-30 minutes
The Full Story
Did You Know?
Did you know?
The difference between green-apple (branched ethyl 2-methylbutyrate) and pineapple (straight-chain ethyl butyrate) comes down to a single methyl branch. This tiny change completely redirects perception from tropical to temperate fruit.
Extraction & Chemistry
Extraction method: Found in apple, strawberry, grape. Produced synthetically.
| Molecular Formula | C₇H₁₄O₂ |
| CAS Number | 7452-79-1 |
| Botanical Name | N/A — synthetic molecule |
| IFRA Status | No known restrictions |
| Synonyms | ETHYL 2-METHYLBUTANOATE · ETHYL 2-METHYLBUTYRATE |
| Physical Properties | |
| Lasting Power | 4 hour(s) at 100.00 % |
| Appearance | colorless clear liquid |
| Boiling Point | 132.00 to 133.00 °C. @ 760.00 mm Hg |
| Flash Point | 79.00 °F. TCC ( 26.11 °C. ) |
| Specific Gravity | 0.86300 to 0.87000 @ 25.00 °C. |
| Refractive Index | 1.39300 to 1.40000 @ 20.00 °C. |
In Perfumery
Top-note modifier for apple freshness. CAS 7452-79-1. The primary green-apple ester. Very volatile. Must be supported by longer-lasting materials.
