C8H14O
126.2 g/mol
Flavor & FragranceWarning
(E)-2-Octenal
CAS2548-87-0EC219-833-8
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
flavor and fragrance ingredient
(E)-2-Octenal is an unsaturated aldehyde used as a flavor and fragrance ingredient. It is a volatile compound that contributes to green, fatty, and citrus-like notes in various formulations.
flavor ingredientfragrance ingredient
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 0.95
(2E)-2-undecenal
CAS53448-07-0
flavor and fragrance ingredient
StrongStructure SimilarSimilarity 0.95
2-tridecenal
CAS7774-82-5
Flavor and fragrance ingredient
StrongStructure SimilarSimilarity 0.85
(2E)-2-heptenal
CAS18829-55-5
Flavoring agent
ReferenceSame Category
(+/-)-lavandulyl acetate
CAS25905-14-0
flavor and fragrance ingredient
ReferenceSame Category
(-)-menthyl acetate
CAS2623-23-6
Flavor and fragrance ingredient
ReferenceSame Category
5-ethyl-4-hydroxy-2-methyl-3(2H)-furanone
CAS27538-09-6
Fragrance ingredient
ReferenceSame Category
Indeno[1,2-d]-1,3-dioxin, 4,4a,5,9b-tetrahydro-2,4-dimethyl-
CAS27606-09-3
fragrance ingredient in consumer products
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for (E)-2-Octenal (CAS 2548-87-0) is 2912.19.
HS code (international, 6-digit)
2912.19
EU CN code (8-digit)
2912 19 00
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
(E)-oct-2-enal
InChIKey
LVBXEMGDVWVTGY-VOTSOKGWSA-N
SMILES
CCCCC/C=C/C=O
Synonyms (19)
- OCTENAL
- (2E)-2-Octenal
- (2E)-oct-2-enal
- (2E)-octenal
- (E)-2-Octen-1-al
- (E)-2-Octenal
- (E)-Oct-2-enal
- 2-OCTENAL
- 2-Octen-1-al
- 2-Octenal, (2E)-
- 2-Octenal, (E)-
- 2-Octenel
- 2-trans-octenal
- Oct-2(E)-enal
- oct-(e)-2-enal
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