Damascenone
Aroma Chemical Base Note CAS 23696-85-7
Rich, fruity rose with a honeyed plum and apple sweetness and a natural, slightly winey depth. Exceptionally powerful, it adds volume and naturalness to rose and fruity floral accords.
Odor profile
| Note | Base Note |
| Descriptor 1 | Floral |
| Descriptor 2 | Rose |
| Descriptor 3 | Plum |
| Odor Impact1 | 450 |
| Tenacity1 | 180 h |
| Tenacity2 | 216 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 | 23696-85-7 |
| INCI Name | Rose ketone-4 |
| Category | Aroma Chemical |
| Formula | C13H18O |
| Mol. Weight | 190.28 |
| IUPAC Name | (E)-1-(2,6,6-trimethylcyclohexa-1,3-dien-1-yl)but-2-en-1-one |
| InChIKey | POIARNZEYGURDG-FNORWQNLSA-N |
Synonyms
1-(2, 6-Trimethylcyclohexa-1, 3-dienyl)-2-buten-1-one, Damascone, Beta, Beta-damascone, Trimethyl cyclohex-1-enyl)but-2-en-4-one, 4-(2, 4-(2,6,6-trimethyl cyclohex-1-enyl)but-2-en-4-one, Damasione, B-damascone, 1-(2,6,6-Trimethyl-1-cyclohexenyl)-2-buten-1-one, ) Damascone, Trimethylcyclohex-1-enyl)but-2-en-4-one, 4-(2,6,6-trimethylcyclohex-1-enyl)but-2-en-4-one, Beta damascone, 2-buten-1-one, 1-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-, (2E)-, 2-buten-1-one, 1-(2,6,6-trimethyl-1,3-cyclohexadien-1-yl)-, (E)-, beta-damascenone, beta-damascenone 1,5% in ethanol natural, damascenone 1% in ETOH natural, damascenone 1% in PG natural, damascenone beta at 1% in ethanol, damascenone beta at 1% in PG, damascenone beta key 100, damascenone beta key 500, damascenone beta key 500 halal in PG, damascenone natural, beta-damascenone natural, damascenone pure, fermentone (Advanced Biotech), fermentone 1% in PG natural (Advanced Biotech), fermentone 5% ETOH natural (Advanced Biotech), fermentone extra 1% in triacetin natural (Advanced Biotech), fermentone extra natural (Advanced Biotech), fermentone natural, floriffone, roastarome natural (Advanced Biotech), rose ketone-4, rosenone
Physical and chemical data
| Boiling Point | 275.0 °C |
| Flash Point | >100 °C |
| Density | 0.94600 |
| Refractive Index | 1.51000 |
| Vapor Pressure | 0.020000 mmHg @ 20.00 C. |
| LogP | 3.2 |
| Solubility | alcohol; water, 12.48 mg/L @ 25 C (est); antiperspirant |
| Appearance | CBI |
Regulatory status
IFRA maximum concentrations
| Category | Use | Limit in the finished product |
|---|---|---|
| Category 1 | Lip products, toys | 0.0077 % |
| Category 2 | Deodorants, antiperspirants | 0.0023 % |
| Category 3 | Eye products | 0.046 % |
| Category 4 | Fine fragrance | 0.043 % |
| Category 5A | Body lotion | 0.011 % |
| Category 5B | Face cream | 0.011 % |
| Category 5C | Hand cream | 0.011 % |
| Category 5D | Baby creams, oils | 0.011 % |
| Category 6 | Oral care, mouthwash | 0.025 % |
| Category 7A | Rinse-off hair products | 0.088 % |
| Category 7B | Leave-on hair products | 0.088 % |
| Category 8 | Intimate and baby wipes | 0.0045 % |
| Category 9 | Soap, shampoo, rinse-off | 0.084 % |
| Category 10A | Household care, hand contact | 0.30 % |
| Category 10B | Aerosol air fresheners | 0.30 % |
| 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 |
EU allergen declaration
| Substance | Share |
|---|---|
| Rose Ketones | 100 % |
Substances that must be named in the ingredient list under Annex III of Regulation (EC) 1223/2009, as amended by Regulation (EU) 2023/1545. Where a range was given, the upper bound is shown.
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.