Maceal
Aroma Chemical Base Note CAS 67845-30-1
A fresh grassy green note with a spicy nutmeg facet and a soft woody edge. Natural and clean, it works as a green modifier for tree bark and calyx effects.
Odor profile
| Note | Base Note |
| Descriptor 1 | Green |
| Descriptor 2 | Fresh |
| Descriptor 3 | Spicy |
| Odor Impact1 | 250 |
| Tenacity1 | 400 h |
| Tenacity2 | 400 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 | 67845-30-1 |
| INCI Name | 8-isopropyl-6-methylbicyclooctene-2-carbaldehyde |
| Category | Aroma Chemical |
| Formula | C13H20O |
| Mol. Weight | 192.30 |
| IUPAC Name | 6-methyl-8-propan-2-ylbicyclo[2.2.2]oct-5-ene-2-carbaldehyde |
| InChIKey | OWFZJSXGDOTWSH-UHFFFAOYSA-N |
Synonyms
8-Isopropyl-6-Methylbicyclo[2.2.2]oct-5-Ene-2-Carbaldehyde, Ivyal, bicyclo(2.2.2)oct-5-ene-2-carboxaldehyde.5(6)-methyl-7(8)-(1-methyl ethyl), formyl-5-isopropyl-2-methyl bicyclo(2.2.2)-oct-2-ene, methyl 8-(1-methyl ethyl) bicyclo(2.2.2)5-octene 2-carboxaldehyde, methyl-5-propan-2-yl bicyclo(2.2.2)oct-2-ene-7-carbaldehyde, methyl-7-propan-2-ylbicyclo[2.2.2]oct-2-ene-5-carbaldehyde, 8-iso propyl-6-methyl bicyclo(2.2.2)oct-5-ene-2-carbaldehyde, 8-iso propyl-6-methyl bicyclooctene-2-carbaldehyde, Ivyal (maceal/jasmal), 7-formyl-5-isopropyl-2-methylbicyclo[2,2,2]oct-2-ene, bicyclo(2.2.2)oct-5-ene-2-carboxaldehyde, 6-methyl-8-(1-methylethyl)-, bicyclo[2.2.2]oct-5-ene-2-carboxaldehyde, 6-methyl-8-(1-methylethyl)-, 7-formyl-5-isopropyl-2-methyl bicyclo(2.2.2)-oct-2-ene, 7-formyl-5-isopropyl-2-methylbicyclo(2.2.2)oct-2-ene, ivyal (PFW), ivyral, 6-methyl 8-(1-methyl ethyl) bicyclo(2.2.2)5-octene 2-carboxaldehyde, 2-methyl-5-(1-methylethyl)bicyclo(2.2.2)oct-2-ene-7-carboxaldehyde, 2-methyl-5-propan-2-yl bicyclo(2.2.2)oct-2-ene-7-carbaldehyde, 3-methyl-7-propan-2-ylbicyclo[2.2.2]oct-2-ene-5-carbaldehyde, 8-iso propyl-6-methylbicyclo(2.2.2)oct-5-ene-2-carbaldehyde, 8-iso propyl-6-methylbicyclo[2.2.2]oct-5-ene-2-carbaldehyde, bark carbaldehyde
Physical and chemical data
| Boiling Point | 262.00 °C |
| Density | 0.95900 |
| Refractive Index | 1.48400 |
| Vapor Pressure | 0.011000 mmHg @ 25.00 C. (est) |
| LogP | 2.6 |
| Solubility | alcohol; water, 13.86 mg/L @ 25 C (est) |
| Appearance | yellow 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.