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Home/Compounds/Flavor & Fragrance/2-undecanone
C11H22O
170.29 g/mol
Flavor & FragranceWarning

2-Undecanone

CAS112-12-9EC203-937-5
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
Flavoring and fragrance agent

2-Undecanone is a dialkyl ketone with methyl and nonyl groups. It is naturally produced by plants and used as a rodenticide and flavoring agent.

Flavoring and fragrance agentRodenticideAnimal repellent

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-tridecanone

CAS593-08-8

Flavoring agent and fragrance essence

StrongStructure SimilarSimilarity 1.00

2-nonanone

CAS821-55-6

Flavor and fragrance ingredient

StrongStructure SimilarSimilarity 1.00

2-octanone

CAS111-13-7

flavoring agent and fragrance

StrongStructure SimilarSimilarity 0.94

2-heptanone

CAS110-43-0

Industrial solvent for resins and lacquers

ApplicationSame Use

Vanillin

CAS121-33-5

Flavoring and fragrance agent

ApplicationSame Use

2-ethenyl-furan

CAS1487-18-9

Flavoring and fragrance agent

ApplicationSame Use

Phenylpropanol

CAS93-54-9

Flavoring and fragrance agent

ApplicationSame Use

Methyl (E/Z)-cinnamate

CAS103-26-4

Flavoring and fragrance agent

Safety Reference

Environmental Hazard
Environmental Hazard
Warning
H400Very toxic to aquatic life

Customs Tariff Classification

The international HS code for 2-Undecanone (CAS 112-12-9) 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

undecan-2-one

InChIKey

KYWIYKKSMDLRDC-UHFFFAOYSA-N

SMILES

CCCCCCCCCC(=O)C

Synonyms (21)
  • Sodium Caprylate EP Impurity I
  • 2-Hendecanone
  • 2-Oxoundecane
  • 2-Undecanone
  • 2-Undecanone (natural)
  • BioUD
  • Caswell No. 573O
  • Enodyl
  • FEMA 3093
  • Ketone, methyl nonyl
  • Luparone
  • METHYL N-NONYL KETONE
  • MGK Dog and Cat Repellent
  • MGK dog AMP MNK
  • MOSTIQUE EGX 101
  • Methyl nonyl ketone
  • Mgk dog & cat repellent
  • Nonyl methyl ketone
  • Rue ketone
  • Undecanone-(2)

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