C6H10O
98.14 g/mol
Flavor & FragranceDanger
(E)-2-HEXENAL
CAS6728-26-3EC229-778-1
Category
Flavor & Fragrance
Compound Class
Natural Product
Primary Use
Flavoring agent and fragrance
(E)-2-Hexenal is a naturally occurring organic compound found in a wide range of fruits, vegetables, and spices. It is commonly used as a flavoring agent and fragrance, and also plays a role as a plant metabolite.
Flavoring agent or adjuvantFragrance ingredientPlant metabolite
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
ApplicationSame Use
Methyl myristate
CAS124-10-7
Flavoring agent and fragrance
ApplicationSame Use
(2E)-2-hexenyl acetate
CAS2497-18-9
Flavoring agent and fragrance
ReferenceSame Category
4-methoxysalicylaldehyde
CAS673-22-3
flavor and fragrance intermediate
ReferenceSame Category
(S)-citronellol acetate
CAS67601-05-2
aroma and fragrance ingredient
ReferenceSame Category
Allyl (3-methylbutoxy)acetate
CAS67634-00-8
Fragrance ingredient in consumer products
ReferenceSame Category
6,6-Dimethoxy-2,5,5-trimethylhex-2-ene
CAS67674-46-8
fragrance ingredient
Safety Reference
Danger
H226Flammable liquid and vapour
H302Harmful if swallowed
H311Toxic in contact with skin
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H411Toxic to aquatic life with long lasting effects
H315Causes skin irritation
Customs Tariff Classification
The international HS code for (E)-2-HEXENAL (CAS 6728-26-3) 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)-hex-2-enal
InChIKey
MBDOYVRWFFCFHM-SNAWJCMRSA-N
SMILES
CCC/C=C/C=O
Synonyms (29)
- (2E)-2-Hexenal
- (2E)-hex-2-enal
- (2e)-hexenal
- (E)-2-HEXENAL
- (E)-2-hexen-1-al
- (E)-Hex-2-enal
- (e)-hexen-2-al
- 2-HEXENAL
- 2-HEXENAL, TRANS-
- 2-Hexenal, (2E)-
- 2-Hexenal, (E)-
- 2-hexenal, Z-isomer
- 2-hexenaldehyde
- 2-trans-Hexenal
- 3-propyl acrolein
- FEMA 2560
- GREEN LEAF ALDEHYDE
- Hexenal, (E)-
- Hexylenic aldehyde
- Leaf aldehyde
- Trans-?2-?Hexenal
- alpha,beta-Hexylenaldehyde
- alpha.beta-Hexylenaldehyd
- beta-Propyl acrolein
- trans-2-Hexen-1-al, natural
- trans-2-Hexenyl Aldehyde
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