C7H12O
112.17 g/mol
Flavor & FragranceDanger
2-HEPTENAL
CAS18829-55-5EC219-563-0
Category
Flavor & Fragrance
Compound Class
Other
Primary Use
Flavoring agent
2-Heptenal is a monounsaturated fatty aldehyde naturally found in citrus peels and certain insect secretions. It is primarily used as a flavoring agent and also occurs as an endogenous compound in the human body.
flavoring agentplant metaboliteuremic toxin (endogenous)
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 0.85
(2E)-2-octenal
CAS2548-87-0
flavor and fragrance ingredient
SimilarStructure SimilarSimilarity 0.81
(2E)-2-undecenal
CAS53448-07-0
flavor and fragrance ingredient
SimilarStructure SimilarSimilarity 0.81
2-tridecenal
CAS7774-82-5
Flavor and fragrance ingredient
ApplicationSame Use
Dibutyl sulfide
CAS544-40-1
Flavoring agent
ApplicationSame Use
2-ethylhexanethiol
CAS7341-17-5
Flavoring agent
ApplicationSame Use
Diethyl disulfide
CAS110-81-6
Flavoring agent
ApplicationSame Use
2-acetylpyrazine
CAS22047-25-2
Flavoring agent
ReferenceSame Category
4-propylresorcinol
CAS18979-60-7
flavor and fragrance ingredient
Safety Reference
Danger
H226Flammable liquid and vapour
H302Harmful if swallowed
H311Toxic in contact with skin
H317May cause an allergic skin reaction
H312Harmful in contact with skin
Customs Tariff Classification
The international HS code for 2-HEPTENAL (CAS 18829-55-5) 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)-hept-2-enal
InChIKey
NDFKTBCGKNOHPJ-AATRIKPKSA-N
SMILES
CCCC/C=C/C=O
Synonyms (24)
- (2E)-2-Heptenal
- (2E)-hept-2-enal
- (2e)-heptenal
- (E)-2-Hepten-1-al
- (E)-2-Heptenal
- (E)-Hept-2-enal
- 2-HEPTENAL
- 2-HEPTENAL, TRANS-
- 2-Heptenal, (2E)-
- 2-Heptenal, (E)-
- 2-trans-Heptenal
- 3-Butylacrolein
- Butylacrolein
- FEMA 3165
- Hept-(E)-2-enal
- Hept-2(E)-enal
- Heptenal
- Heptenal, (E)-
- alpha-Heptenal
- beta-Butylacrolein
- n-Hept-trans-2-enal
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