3-Methylpentanoic Acid
Aroma Chemical Base Note CAS 105-43-1
An acidic note with a cheesy animal character and a soft fruity facet. Sweaty and natural, it adds a green depth in traces.
Odor profile
| Note | Base Note |
| Descriptor 1 | Acidic |
| Descriptor 2 | Sharp |
| Descriptor 3 | Cheesy |
| Tenacity2 | 336 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 105-43-1 |
| Category | Aroma Chemical |
| Formula | C6H12O2 |
| Mol. Weight | 116.16 |
| IUPAC Name | 3-methylpentanoic acid |
| InChIKey | IGIDLTISMCAULB-UHFFFAOYSA-N |
Synonyms
acetoacetic methyl ester, sec-butyl acetic acid, butylacetic acid, sec-, 2-methyl butane-1-carboxylic acid, 3-methyl pentanoic acid, beta-methyl valeric acid, 3 methyl valeric acid (pentanoic acid), 3-methyl valeric acid natural, 3-methyl-pentanoic acid, 2-methylbutane-1-carboxylic acid, (±)-3-methylvaleric acid, 3-methylvaleric acid, DL-3-methylvaleric acid, DL-3-methylvalericacid, parmesan acid, pentanoic acid, 3-methyl-, valeric acid, 3-methyl-
Physical and chemical data
| Boiling Point | 196.00 °C |
| Flash Point | 85.00 °C |
| Density | 0.87400 |
| Refractive Index | 1.36500 |
| Vapor Pressure | 0.147000 mmHg @ 25.00 C. (est) |
| LogP | 1.560 |
| Solubility | alcohol; water, 5266 mg/L @ 25 C (est); oils |
| 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.