Alpha-Damascone
Synonym(s):α-Damascone;1-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-2-buten-1-one;2,6,6-Trimethyl-1-crotonyl-2-cyclohexene
- CAS NO.：43052-87-5
- Empirical Formula: C13H20O
- Molecular Weight: 192.3
- MDL number: MFCD00673214
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:24:25
What is Alpha-Damascone?
Chemical properties
Alpha-Damascone are ionone isomers. Depending on the position of the double bond in the ring, various isomers may exist. Commercially important are α-, β-, and δ-damascone.
Chemical properties
α-Damascone has a pleasant fruity floral odor.
Occurrence
Reported found in black tea.
The Uses of Alpha-Damascone
a-Damascone is an aromatic compound extracted from oils and carotenoid compounds used in fragrances, and other cosmetics.
Definition
ChEBI: An enone with a trimethylcyclohexenyl substituent at C-1.
Aroma threshold values
Detection: d-form, 100 ppb; l-form, 1.5 ppb
Taste threshold values
Taste characteristics at 30 ppm, sweet, fruity, woody with a green seedy background.
Properties of Alpha-Damascone
| Boiling point: | 253-255 °C |
| Density | 0.9229 g/cm3(Temp: 27 °C) |
| FEMA | 3659 | ALPHA-1-(2,6,6-TRIMETHYL-2-CYCLOHEXEN-1-YL)-2-BUTEN-1-ONE |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | Oil |
| color | Colourless to Pale Yellow |
| Odor | at 1.00 % in dipropylene glycol. sweet floral metallic fruity apple spicy plum minty |
| JECFA Number | 385 |
| Stability: | Light Sensitive |
Safety information for Alpha-Damascone
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H317:Sensitisation, Skin |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
Computed Descriptors for Alpha-Damascone
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