Isobutyl Butyrate
Aroma Chemical Top Note CAS 539-90-2
A sweet fruity note with a pineapple and cherry character and a soft tutti frutti facet. Rummy and natural, it adds an overripe fruit lift to compositions.
Odor profile
| Note | Top Note |
| Descriptor 1 | Fruity |
| Descriptor 2 | Sweet |
| Descriptor 3 | Peach |
| Impact Level | Medium |
| Tenacity2 | 4 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 539-90-2 |
| INCI Name | Isobutyl butyrate |
| Category | Aroma Chemical |
| Formula | C8H16O2 |
| Mol. Weight | 144.21 |
| IUPAC Name | 2-methylpropyl butanoate |
| InChIKey | RGFNRWTWDWVHDD-UHFFFAOYSA-N |
Synonyms
butanoic acid 2-methyl propyl ester, butanoic acid 2-methylpropyl ester, butanoic acid isobutyl ester, butanoic acid, 2-methylpropyl ester, butanoic acid, isobutyl ester, iso butyl butanoate, nat.iso butyl butyrate, iso butyl butyrate (natural), iso butyl butyrate FCC, iso butyl butyrate FCC natural, iso butyl butyrate natural, iso butyl butyrate naturel, iso butyl N-butyrate, iso-butyl-butyrate FCC, butyric acid isobutyl ester, butyric acid, isobutyl ester, 2-methyl propyl butanoate, 2-methyl propyl butyrate, 2-methyl-1-propyl butyrate, 2-methylpropyl butanoate, 2-methylpropyl butyrate
Physical and chemical data
| Boiling Point | 156.90 °C |
| Flash Point | 45.56 °C |
| Density | 0.85800 |
| Refractive Index | 1.40200 |
| Vapor Pressure | 2.906000 mmHg @ 25.00 C. (est) |
| LogP | 2.760 |
| Solubility | alcohol; fixed oils; water, 356.7 mg/L @ 25 C (est) |
| Appearance | colorless clear 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.