C9H18O
142.24 g/mol
Flavor & FragranceWarning
2-NONANONE
CAS821-55-6EC212-480-0
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
Flavor and fragrance ingredient
2-Nonanone, also known as methyl heptyl ketone, is a colorless liquid used primarily as a flavor and fragrance ingredient. It is a ketone with a molecular weight of 142.
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
StrongStructure SimilarSimilarity 1.00
2-octanone
CAS111-13-7
flavoring agent and fragrance
StrongStructure SimilarSimilarity 1.00
2-undecanone
CAS112-12-9
Flavoring and fragrance agent
StrongStructure SimilarSimilarity 1.00
2-tridecanone
CAS593-08-8
Flavoring agent and fragrance essence
StrongStructure SimilarSimilarity 0.94
2-heptanone
CAS110-43-0
Industrial solvent for resins and lacquers
ReferenceSame Category
Cyclohexyl methyl ketone
CAS823-76-7
Flavor and fragrance intermediate
ReferenceSame Category
Vanillyl butyl ether
CAS82654-98-6
Fragrance ingredient
ReferenceSame Category
Hydroxy alpha sanshool
CAS83883-10-7
pungent flavor compound from Sichuan pepper
ReferenceSame Category
3-Hexanone, 5-mercapto-5-methyl-
CAS851768-51-9
Flavor and fragrance ingredient
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
Customs Tariff Classification
The international HS code for 2-NONANONE (CAS 821-55-6) 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
nonan-2-one
InChIKey
VKCYHJWLYTUGCC-UHFFFAOYSA-N
SMILES
CCCCCCCC(=O)C
Synonyms (11)
- 2-NONANONE
- 2-Nonanone (natural)
- 2-Nonanone-d5
- Heptyl methyl ketone
- Ketone, heptyl methyl
- METHYL N-HEPTYL KETONE
- Methyl heptyl ketone
- Nonanone
- beta-Nonanone
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