Cyclotene
Aroma Chemical Base Note CAS 765-70-8
A sweet caramel note with a maple sugar character and a nutty coffee facet. Warm and gourmand, it deepens ambery, tobacco and coumarinic accords.
Odor profile
| Note | Base Note |
| Descriptor 1 | Gourmand |
| Descriptor 2 | Licorice |
| Descriptor 3 | Caramel |
| Tenacity2 | 16 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 765-70-8 |
| INCI Name | Methylcyclopentenolone |
| Category | Aroma Chemical |
| Formula | C6H8O2 |
| Mol. Weight | 112.13 |
| IUPAC Name | 3-methylcyclopentane-1,2-dione |
| InChIKey | OACYKCIZDVVNJL-UHFFFAOYSA-N |
Synonyms
3-Methylcyclopentane-1,2-dione, 3-Methyl-1,2-cyclopentanedione, 1, 2-Cyclopentanedione, 3-Methyl-, Methylcyclopentenolone (diketo, Methylcyclopentenolone (diketo form), Methylcyclopentenolone (natural), methyl-cyclopentenolone, 2-Hydroxy-5-methyl-2-cyclopenten-1-one, Methylcyclopentenolone (diketo), 3-Methyl-1.2-cyclopentanedione, 98%, cyclopantane-1,2-dione, 3-methyl-, cyclotene anhydrous natural, cyclotene anhydrous synthetic, 2-hydroxy-3-methyl-2-cyclopenten-1-one, kentonarome, maple lactone, maple lactone (anhydrous), natural, maple lactone (MCP) natural, maple lactone FCC, mcp, methyl cyclo pentenolone, methyl cyclo pentenolone natural, 3-methyl cyclopentane-1,2-dione, methyl cyclopentenelone, methyl cyclopentenolone, methyl cyclopentenolone (natural), methyl cyclopentenolone anhydrous, methyl cyclopentenolone anhydrous natural, methyl cyclopentenolone FCC, methyl cyclopentenolone natural, methyl cyclopetenolone nat., 3-methyl-1,2-cyclopentane dione, 3-methyl-2-cyclopenten-2-ol-1-one, methylcyclopentenealcohol ketone, methylcyclopentenolone
Physical and chemical data
| Boiling Point | 178.67 °C |
| Melting Point | 106.8 °C |
| Flash Point | 110 °C |
| Vapor Pressure | 0.978000 mmHg @ 25.00 C. (est) |
| LogP | 0.2 |
| Solubility | alcohol; propylene glycol; water, slightly |
| Appearance | Off-white crystalline powder; [Alfa Aesar MSDS] |
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.