Beta Damascone
Aroma Chemical Base Note CAS 35044-68-9
A fruity rose note with blackcurrant and plum facets and a soft honey character. Warm and natural, it adds a cooked apple depth and a tobacco nuance to rosy accords.
Odor profile
| Note | Base Note |
| Descriptor 1 | Floral |
| Descriptor 2 | Rose |
| Descriptor 3 | Plum |
| Odor Impact1 | 450 |
| Tenacity1 | 180 h |
| Tenacity2 | 191 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 | 35044-68-9 |
| Category | Aroma Chemical |
| Formula | C13H20O |
| Mol. Weight | 192.30 |
| IUPAC Name | 1-(2,6,6-trimethylcyclohexen-1-yl)but-2-en-1-one |
| InChIKey | BGTBFNDXYDYBEY-UHFFFAOYSA-N |
Synonyms
(E/Z)-Beta Damascone, Beta-1-(2, 6-trimethyl-1-cyclohexen-1-yl)-2-buten-1-one, 1-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-2-buten-1-one, beta-damascone, 1-(2,6,6-Trimethylcyclohex-1-en-1-yl)but-2-en-1-one, 2-Buten-1-one, 1-(2, 6, 6-trimethyl-1-cyclohexen-1-yl)-, (2Z)-, 1-(2,6,6-trimethylcyclohexen-1-yl)but-2-en-1-one, 4-(2.6.6-Trimethyl cyclohex-1-enyl)-but-2-en-4-one, b-Damascone sum of isomers, (E)-beta-Damascone 1000 microg/mL in Acetonitrile, Trans/cis-beta-damascone, (E/Z)-Beta-damascone, 2-buten-1-one, 1-(2,6,6-trimethyl-1-cyclohexen-1-yl)-, damascone beta FAB, damasione, dihydro floriffone B, dorinone, rose ketone beta, 4-(2,6,6-trimethyl cyclohex-1-enyl) but-2-en-4-one, 1-(2,6,6-trimethyl-1-cyclohexenyl)-2-buten-1-one, 1-(2,6,6-trimethyl-1-cyclohexenyl)but-2-en-1-one, 1-(2,6,6-trimethylcyclohex-1-enyl)but-2-en-1-one
Physical and chemical data
| Boiling Point | 200.00 °C |
| Flash Pointe | 100.00 °C |
| Density | 0.92500 |
| Refractive Index | 1.49600 |
| Vapor Pressure | 0.007000 mmHg @ 25.00 C. (est) |
| LogP | 3.5 |
| Solubility | alcohol; water, 7.986 mg/L @ 25 C (est) |
| Appearance | pale yellow clear liquid |
e Estimated from a closely related isomer of the same molecule. Actual values vary by supplier, grade and quality.
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 |
|---|---|
| Beta Damascone | 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.