1-Octen-3-one
- CAS NO.：4312-99-6
- Empirical Formula: C8H14O
- Molecular Weight: 126.2
- MDL number: MFCD00036558
- EINECS: 224-327-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-03 14:17:14
What is 1-Octen-3-one?
Chemical properties
1-Octen-3-one has a mushroom odor.
Occurrence
Reported found in cooked artichoke, cider, fish, matsutake, milk, peas, soya bean, mushrooms, potatoes, orange juice, tomato and passion fruit.
The Uses of 1-Octen-3-one
1-Octen-3-one is a volatile unsaturated ketone that has a strong mushroom-like odour. 1-Octen-3-one is also a flavour component of the Agaricus bisporus mushroom and is used in a variety of food products.
Definition
ChEBI: 1-Octen-3-one is an olefinic compound. It is functionally related to an acrylic acid.
Aroma threshold values
Detection: 0.05 to 4 ppb
Synthesis Reference(s)
The Journal of Organic Chemistry, 56, p. 5924, 1991 DOI: 10.1021/jo00020a040
General Description
1-Octen-3-one is also known as "mushroom alcohol". It is a C8 aliphatic volatile compound, a component of essential oils of various plants including Origanum vulgare, L. lopez-palacii, Phyllanthus emblica and Scutellaria barbata. 1-Octen-3-one is a vital food additive with a characteristic mushroom odor. Various studies also demonstrate the antimicrobial activity of this natural product.
Properties of 1-Octen-3-one
| Boiling point: | 174-182 °C |
| Density | 0.833 g/mL at 25 °C |
| refractive index | n |
| FEMA | 3515 | 1-OCTEN-3-ONE |
| Flash point: | 145 °F |
| storage temp. | 2-8°C |
| solubility | Chloroform (Sparingly), Ethyl Acetate (Slightly), Methanol (Slightly) |
| form | Oil |
| color | Colourless |
| Odor | at 1.00 % in dipropylene glycol. herbal mushroom earthy musty dirty |
| JECFA Number | 1148 |
| BRN | 1700905 |
| Stability: | Light Sensitive |
| CAS DataBase Reference | 4312-99-6(CAS DataBase Reference) |
| NIST Chemistry Reference | 1-Octen-3-one(4312-99-6) |
| EPA Substance Registry System | 1-Octen-3-one (4312-99-6) |
Safety information for 1-Octen-3-one
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation 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 1-Octen-3-one
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