3-DECEN-2-ONE
- CAS NO.：10519-33-2
- Empirical Formula: C10H18O
- Molecular Weight: 154.25
- MDL number: MFCD00015700
- EINECS: 234-059-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 06:31:53
What is 3-DECEN-2-ONE?
Chemical properties
2-Decen-2-one has a fruity-floral, jasmine-like aroma.
Occurrence
Reported found in Boletus edulis mushrooms.
The Uses of 3-DECEN-2-ONE
This ketone has found a little use in perfume compositions as component of certain types of Jasmin bases. It may also find some use in other florals, since it blends well with the lonones and with woody as well as certainCitrus complexes. It is quite powerful and relatively stable towards alkali and other chemical reactants commonly encountered in cosmetic preparations.
Preparation
From acetone and heptyl alcohol in 1% sodium hydroxide solution; by dehydration upon heating of 4-decanol-2-one over pumice or clay; also by condensation of heptaldehyde and acetone.
Taste threshold values
Taste characteristics at 15 ppm: waxy, green, creamy with a buttery, lactonic note.
Properties of 3-DECEN-2-ONE
| Melting point: | 74.5°C (estimate) |
| Boiling point: | 125 °C12 mm Hg(lit.) |
| Density | 0.847 g/mL at 25 °C(lit.) |
| refractive index | n |
| FEMA | 3532 | 3-DECEN-2-ONE |
| Flash point: | 198 °F |
| Odor | at 10.00 % in dipropylene glycol. fatty green fruity apple earthy jasmin |
| JECFA Number | 1130 |
| CAS DataBase Reference | 10519-33-2(CAS DataBase Reference) |
| EPA Substance Registry System | 3-Decen-2-one (10519-33-2) |
Safety information for 3-DECEN-2-ONE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for 3-DECEN-2-ONE
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