3-Methylcrotonic Acid
Aroma Chemical CAS 541-47-9
A green note with a phenolic dairy character.
Odor profile
| Descriptor 1 | Green |
| Descriptor 2 | Phenolic |
| Descriptor 3 | Dairy |
Identification
| CAS Number | 541-47-9 |
| Category | Aroma Chemical |
| Formula | C5H8O2 |
| Mol. Weight | 100.12 |
| IUPAC Name | 3-methylbut-2-enoic acid |
| InChIKey | YYPNJNDODFVZLE-UHFFFAOYSA-N |
Synonyms
but-2-enoic acid, 3-methyl-, 2-butenoic acid, 3-methyl-, crotonic acid, 3-methyl-, 3,3-dimethyl acrylic acid, beta,beta-dimethyl acrylic acid, 3,3-dimethylacrylic acid, beta-methyl crotonic acid, 3-methyl-2-butenoic acid, 3-methyl-crotonic acid, 3-methylbut-2-enoic acid, b-methylcrotonic acid, senecic acid, senecioic acid
Physical and chemical data
| Boiling Point | 195.00 °C |
| Melting Point | 66.00 °C |
| Vapor Pressure | 0.200000 mmHg @ 25.00 C. (est) |
| LogP | 1.350 |
| Solubility | alcohol; water, 1.845e+004 mg/L @ 25 C (est); For experimental / research use only. |
| Appearance | white to tan crystals |
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.