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Home/Compounds/Flavor & Fragrance/(2E)-2-undecenal
C11H20O
168.28 g/mol
Flavor & FragranceWarning

(E)-2-undecenal

CAS53448-07-0EC258-559-3
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
flavor and fragrance ingredient

(E)-2-undecenal is a chemical compound used as a flavor and fragrance ingredient. It is an unsaturated aldehyde that contributes to fatty, citrus-like odor notes.

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-tridecenal

CAS7774-82-5

Flavor and fragrance ingredient

StrongStructure SimilarSimilarity 0.95

(2E)-2-octenal

CAS2548-87-0

flavor and fragrance ingredient

SimilarStructure SimilarSimilarity 0.81

(2E)-2-heptenal

CAS18829-55-5

Flavoring agent

ReferenceSame Category

Methyl 3-methoxybenzoate

CAS5368-81-0

flavor and fragrance ingredient

ReferenceSame Category

3',5'-Dimethylacetophenone

CAS5379-16-8

Flavor and fragrance intermediate

ReferenceSame Category

Ethyl valerate

CAS539-82-2

Flavor and fragrance ingredient

ReferenceSame Category

Ethyl levulinate

CAS539-88-8

flavor and fragrance ingredient

Safety Reference

Harmful
Harmful
Environmental Hazard
Environmental Hazard
Warning
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H411Toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects
H400Very toxic to aquatic life
Identifiers
IUPAC Name

(E)-undec-2-enal

InChIKey

PANBRUWVURLWGY-MDZDMXLPSA-N

SMILES

CCCCCCCC/C=C/C=O

Synonyms (14)
  • (2E)-2-Undecenal
  • (2E)-undec-2-enal
  • (2e)-undecenal
  • (E)-2-undecenal
  • (E)-Undec-2-enal
  • 2-Undecenal, (2E)-
  • 2-Undecenal, (E)-
  • 2-Undecenal, trans
  • Aldehyde iso C-11
  • FEMA 3423
  • FEMA NO. 3423, E-
  • Undec-2(E)-enal
  • undecenal (2e-)