Methyl Pamplemousse
Aroma Chemical Top Note CAS 67674-46-8
Fresh, juicy grapefruit peel with a clean, soapy and lightly green character and a soft woody facet. Diffusive and stable, it gives natural sparkle to grapefruit and citrus accords.
Odor profile
| Note | Top Note |
| Descriptor 1 | Citrus |
| Descriptor 2 | Grapefruit |
| Descriptor 3 | Green |
| Odor Impact1 | 100 |
| Impact Level | Medium |
| Tenacity1 | 2 h |
| Tenacity2 | 2 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 | 67674-46-8 |
| INCI Name | Dimethyl-4-isoheptenal dimethyl acetal |
| Category | Aroma Chemical |
| Formula | C11H22O2 |
| Mol. Weight | 186.29 |
| IUPAC Name | 6,6-dimethoxy-2,5,5-trimethylhex-2-ene |
| InChIKey | RDHNTAXPFZIMDN-UHFFFAOYSA-N |
Synonyms
6,6-Dimethoxy-2,5,5-trimethylhex-2-ene, amarocite, 1,1- dimethoxy-2,2,5-trimethyl hex-4-ene, 1,1- dimethoxy-2,2,5-trimethyl-4-hexene, 6,6- dimethoxy-2,5,5-trimethyl hex-2-ene, 6,6- dimethoxy-2,5,5-trimethyl-2-hexene, 6,6- dimethoxy-2,5,5-trimethylhex-2-ene, dimethyl-4-isoheptenal dimethyl acetal, grapefruit acetal, pomelocit, Berje, Methyl Pomello (Methyl Pamplemousse(tm)Type), amarocit (Symrise), amarocite (Symrise), 1,1-dimethox-2,2,5-trimethy-4-hexene, 1,1-dimethoxy-2,2,5-trimethyl hex-4-ene, 1,1-dimethoxy-2,2,5-trimethyl-4-hexene, 1,1-dimethoxy-2,2,5-trimethylhex-4-ene, 6,6-dimethoxy-2,5,5-trimethyl hex-2-ene, 6,6-dimethoxy-2,5,5-trimethyl-2-hexene, 2-hexene, 6,6-dimethoxy-2,5,5-trimethyl-, methyl pamplemousse (Givaudan), methyl pomello (methyl pamplemousse type), pamplerom (Frutarom)
Physical and chemical data
| Boiling Point | 214.5 °C |
| Flash Point | 82.78 °C |
| Density | 0.86500 |
| Refractive Index | 1.43000 |
| Vapor Pressure | 0.214000 mmHg @ 25.00 C. (est) |
| LogP | 3.2 |
| Solubility | 66 mg/L @ 20 °C (exp) |
| 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.