Rhubofix
Aroma Chemical Base Note CAS 41816-03-9
Green rhubarb with a fresh, zesty and slightly sulfury character and a fruity, woody and spicy depth. Tenacious, it holds a crisp rhubarb and grapefruit green note through the drydown.
Odor profile
| Note | Base Note |
| Descriptor 1 | Fruity |
| Descriptor 2 | Woody |
| Descriptor 3 | Spicy |
| Odor Impact1 | 100 |
| Tenacity1 | 96 h |
| Tenacity2 | 96 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 | 41816-03-9 |
| INCI Name | Hexahydro-dimethylspiromethanonaphthalene-oxirane |
| Category | Aroma Chemical |
| Formula | C14H20O |
| Mol. Weight | 204.31 |
| IUPAC Name | 3,4'-dimethylspiro[oxirane-2,10'-tricyclo[6.2.1.02,7]undec-4-ene] |
| InChIKey | VKPRTBDRPNWOGL-UHFFFAOYSA-N |
Synonyms
4A, 8a-hexahydro-3', 7-dimethylspiro[1, 4-methanonaphthalene-2(1h), 2'-oxirane], 8a- hexahydro-3', 7'-dimethyl spiro(1, 2'-oxirane), 3',7'- hexahydrodimethyl spiromethanonaphthalene oxirane, rhubarb oxirane, 3,4,4a,5,8,8a-hexahydro-3,7 (or 6)-dimethylspiro(1,4-methanonaphthalene-2(1H),2-oxirane), 3,4,4a,5,8,8a-hexahydro-3,7-dimethyl spiro(1,4-methanonaphthalene-2(1H),2-oxirane), 3,4,4a,5,8,8a-hexahydro-3,7-dimethylspiro(1,4-methanonaphthalene-2(1H),2-oxirane), 3,4,4a,5,8,8a-hexahydro-3,7-dimethylspiro[1,4-methanonaphthalene-2(1H),2-oxirane], 3,7-hexahydrodimethyl spiromethanonaphthalene oxirane, rhubofix (Firmenich), rubofin, spiro(1,4-methanonaphthalene-2(1H),2-oxirane), 3,4,4a,5,8,8a-hexahydro-3,7-dimethyl-
Physical and chemical data
| Boiling Point | 203.00 °C |
| Flash Point | >100 °C |
| Density | 1.02300 |
| Refractive Index | 1.50200 |
| Vapor Pressure | 0.003000 mmHg @ 25.00 C. (est) |
| LogP | 2.5 |
| Solubility | alcohol; water, 21.56 mg/L @ 25 C (est); APC: traces - 0.2% |
| Appearance | colorless 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.