Methyl Nonyl Ketone
Aroma Chemical Top Note CAS 112-12-9
A waxy fruity note with a soft orris floral character and a creamy fatty facet. Rosy and natural, it lends a smooth waxy lift to floral accords.
Odor profile
| Note | Top Note |
| Descriptor 1 | Herbal |
| Descriptor 2 | Floral |
| Descriptor 3 | Citrus |
| Odor Impact1 | 300 |
| Impact Level | Medium |
| Tenacity1 | 4 h |
| Tenacity2 | 128 h |
1 Source: PerfumersWorld
2 Source: The Good Scents Company
Both tenacity figures are blotter life. The two labs use different evaluation protocols, so the numbers are not directly comparable — read them as two independent readings, not as a contradiction.
Identification
| CAS Number | 112-12-9 |
| INCI Name | Methyl nonyl ketone |
| Category | Aroma Chemical |
| Formula | C11H22O |
| Mol. Weight | 170.29 |
| IUPAC Name | undecan-2-one |
| InChIKey | KYWIYKKSMDLRDC-UHFFFAOYSA-N |
Synonyms
2-Undecanone, Undecanone-2, Rue ketone 2-Undecanone, Rue ketone, beta Oxo undecane, Nonyl methyl ketone, M.n.k, 2-Hendecanone, methyl nonyl, MNK, methyl N-nonyl ketone, methyl nonyl ketone (2-undecanone), methyl nonyl ketone (2-undecanone), natural, methyl nonyl ketone natural, methyl nonylketone, methyl-N-nonylketone, methylnonylketone, N-nonyl methyl ketone, undecan-2-one, 2-oxo undecane, undecane-2-one, 2-undecanone (methyl nonyl ketone) natural, 2-undecanone (natural), 2-undecanone natural, ketone, methyl nonyl ketone redistilled
Physical and chemical data
| Boiling Point | 231.5 °C |
| Melting Point | 15.0 °C |
| Flash Point | 89.0 °C |
| Density | 0.826 |
| Refractive Index | 1.4291 |
| Vapor Pressure | 0.04 [mmHg] |
| LogP | 4.1 |
| Solubility | Insoluble in water. Soluble in ethanol, ether, acetone, benzene, carbon tetrachloride, chloroform. |
| Appearance | 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.