C8H16O
128.21 g/mol
Flavor & FragranceWarning
3-Octanone
CAS106-68-3EC203-423-0
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
Flavor and fragrance ingredient
3-Octanone is a clear, colorless liquid with a pungent odor, commonly used as a flavor and fragrance ingredient. It is insoluble in water and partially soluble in alcohol, with vapors that are denser than air and may have a narcotic effect at high concentrations.
Solvent for nitrocellulose and vinyl resinsIngredient in lavender perfumesFlavoring agent in food
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
SimilarStructure SimilarSimilarity 0.83
3-heptanone
CAS106-35-4
Fragrance and solvent for resins
SimilarStructure SimilarSimilarity 0.78
Diamyl ketone
CAS927-49-1
Flavor and fragrance ingredient
ReferenceSame Category
Hydroxycitronellal
CAS107-75-5
Fragrance and flavoring agent
ReferenceSame Category
Senecialdehyde
CAS107-86-8
flavoring agent and chemical intermediate
ReferenceSame Category
Butyric acid
CAS107-92-6
flavoring agent and chemical intermediate
ReferenceSame Category
2-acetylpyrrole
CAS1072-83-9
flavor and fragrance ingredient
Safety Reference
Warning
H226Flammable liquid and vapour
H315Causes skin irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 3-Octanone (CAS 106-68-3) is 2914.19.
HS code (international, 6-digit)
2914.19
EU CN code (8-digit)
2914 19 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
octan-3-one
InChIKey
RHLVCLIPMVJYKS-UHFFFAOYSA-N
SMILES
CCCCCC(=O)CC
Synonyms (19)
- EAK
- 1-ethyl hexanal
- 2-Heptanone, methyl-
- 3-Octanone
- 3-Octanone (natural)
- 3-Octanone, natural (US)
- 3-Oxooctane
- 3-octanon
- Amyl ethyl ketone
- Ethyl n-amyl ketone
- Ethyl n-pentyl ketone
- Ethyl pentyl ketone
- FEMA 2803
- OCTANONE, 3-
- methylheptanone
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