Stemone
Aroma Chemical Heart Note CAS 22457-23-4
Sharp green and leafy with a fig leaf and tomato leaf character and a clear, faintly minty lemon lift. It brings a stem like greenness to florals and blackcurrant accords.
Odor profile
| Note | Heart Note |
| Descriptor 1 | Green |
| Descriptor 2 | Leafy |
| Descriptor 3 | Pungent |
| Odor Impact1 | 1000 |
| Impact Level | Medium |
| Tenacity1 | 8 h |
| Tenacity2 | 16 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 | 22457-23-4 |
| INCI Name | Ethyl methylbutyl ketoxime |
| Category | Aroma Chemical |
| Formula | C8H17NO |
| Mol. Weight | 143.23 |
| IUPAC Name | N-(5-methylheptan-3-ylidene)hydroxylamine |
| InChIKey | CBVWMGCJNPPAAR-UHFFFAOYSA-N |
Synonyms
5-Methyl-3-heptanone oxime, ethyl 2-methyl butyl ketoxime, ethyl 2-methylbutyl ketoxime, ethyl 2-methylbutyl ketoxine, greenone, 3-heptanone, 5-methyl-, oxime, heptoxime, heptoxime (Synarome), N-hydroxy-5-methylheptan-3-imine, leafy oxime, 5-methyl heptan-3-one oxime, methyl heptanone oxime, methyl-5 3-heptanone oxime, 3-methyl-5-heptanone oxime, 5-methylheptan-3-one oxime, N-(5-methylheptan-3-ylidene)hydroxylamine, stemone (Givaudan), stigemone, tremone (Tadimety), vertone
Physical and chemical data
| Boiling Point | 220.84 °C |
| Flash Point | 95.00 °C |
| Density | 0.88600 |
| Refractive Index | 1.45000 |
| Vapor Pressure | 0.041000 mmHg @ 25.00 C. (est) |
| LogP | 2.5 |
| Solubility | alcohol; water, 1014 mg/L @ 20 C (exp); cosmetics |
| Appearance | Liquid; CBI |
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.