Isovaleric Acid
Aroma Chemical Base Note CAS 503-74-2
A sharp sour note with a sweaty cheese character and a soft tropical facet.
Odor profile
| Note | Base Note |
| Descriptor 1 | Acidic |
| Descriptor 2 | Cheesy |
| Descriptor 3 | Fruity |
| Tenacity2 | 400 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 503-74-2 |
| INCI Name | Isovaleric acid |
| Category | Aroma Chemical |
| Formula | C5H10O2 |
| Mol. Weight | 102.13 |
| IUPAC Name | 3-methylbutanoic acid |
| InChIKey | GWYFCOCPABKNJV-UHFFFAOYSA-N |
Synonyms
iso butyl formic acid, delphinic acid, dephinic acid, 3-methyl butanoic acid, 3-methyl butyric acid, beta-methyl butyric acid, nat.3-methyl butyric acid, 3-methylbutanoic acid, 3-methylbutyric acid, 3-methylbutyric acid (natural), iso pentanoic acid, iso propyl acetic acid, iso valerianic acid, nat.iso valeric acid, iso valeric acid (natural), iso valeric acid deironized natural, iso valeric acid FCC, iso valeric acid natural
Physical and chemical data
| Boiling Point | 175.00 °C |
| Melting Point | -29.00 °C |
| Flash Point | 70.56 °C |
| Density | 0.92300 |
| Refractive Index | 1.40100 |
| Vapor Pressure | 0.554000 mmHg @ 25.00 C. (est) |
| LogP | 1.160 |
| Solubility | alcohol; chloroform; ether |
| Appearance | colorless to pale yellow 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.