Fixamber
Aroma Chemical Base Note CAS 144020-22-4
A dry ambergris note with a woody cedar character and a soft tobacco facet. Musky and tenacious, it works as an amber fixative in woody and oriental accords.
Odor profile
| Note | Base Note |
| Descriptor 1 | Woody |
| Descriptor 2 | Amber |
| Descriptor 3 | Smoky |
| Odor Impact1 | 100 |
| Impact Level | Medium |
| Tenacity1 | 284 h |
| Tenacity2 | 284 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 | 144020-22-4 |
| INCI Name | METHYL 2,6,10-TRIMETHYLCYCLODODECA-2,5,9-TRIENYL KETONE |
| Category | Aroma Chemical |
| Formula | C17H26O |
| IUPAC Name | Reaction of acetic anhydride with 1,5,10-trimethylcyclododeca-1,5,9-triene |
Synonyms
Acetic acid, Anhydride, Reaction products with 1, 10-trimethyl-1, 9-cyclododecatriene, acetic acid anhydride reaction products with 1,5,10-trimethyl-1,5,9-cyclododecatriene, methyl 2,5,10-trimehtyl-2,5,9-cyclododecatrien-1-yl ketone & isomers, 2,5,10- trimethyl-2,5,9-cyclododecatrien-1-yl methyl ketone & isomers, trimofix O, John D. Walsh, Penta, methyl-2,6,10-trimethyl-2,5,9-cyclododecatriene-1-yl ketone, 2,5,10-trimethyl-2,5,9-cyclododecatrien-1-yl methyl ketone & isomers, trimofix (IFF), trimofix O (IFF), trimofix O TT (IFF)
Physical and chemical data
| Flash Point | >100 °C |
| Density | 0.97900 |
| Refractive Index | 1.50000 |
| LogP | 5.290 |
| Solubility | alcohol; acid cleaner; alcoholic lotion |
| Appearance | pale yellow clear viscous liquid |
Regulatory status
IFRA maximum concentrations
| Category | Use | Limit in the finished product |
|---|---|---|
| Category 1 | Lip products, toys | 0.00016 % |
| Category 2 | Deodorants, antiperspirants | 0.13 % |
| Category 3 | Eye products | 0.40 % |
| Category 4 | Fine fragrance | 2.4 % |
| Category 5A | Body lotion | 0.60 % |
| Category 5B | Face cream | 0.52 % |
| Category 5C | Hand cream | 0.60 % |
| Category 5D | Baby creams, oils | 0.17 % |
| Category 6 | Oral care, mouthwash | 0.00016 % |
| Category 7A | Rinse-off hair products | 0.87 % |
| Category 7B | Leave-on hair products | 0.87 % |
| Category 8 | Intimate and baby wipes | 0.17 % |
| Category 9 | Soap, shampoo, rinse-off | 2.2 % |
| Category 10A | Household care, hand contact | 2.2 % |
| Category 10B | Aerosol air fresheners | 4.4 % |
| Category 11A | Intended skin contact | 0.17 % |
| Category 11B | Minimal skin contact | 0.17 % |
| Category 12 | No skin contact, candles | Not restricted |
| IFRA Amendment | 49 |
| Restriction Type | Restriction |
| Critical Effect | Dermal Sensitization And Systemic Toxicity |
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.