C9H8O
132.16 g/mol
Flavor & FragranceWarning
Cinnamaldehyde
CAS104-55-2EC203-213-9
Category
Flavor & Fragrance
Compound Class
Natural Product
Primary Use
cinnamon flavoring agent and fragrance
Cinnamaldehyde is an organic compound responsible for the characteristic flavor and odor of cinnamon. It occurs naturally as the trans isomer and is synthesized via the shikimate pathway in plants.
cinnamon flavoring agentfragrance component
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
StrongSame Parent
(E)-cinnamaldehyde
CAS14371-10-9
flavor and fragrance ingredient
ReferenceSame Category
Γ-nonalactone
CAS104-61-0
Flavoring and fragrance ingredient
ReferenceSame Category
Cinnamyl formate
CAS104-65-4
Cinnamon flavor and fragrance ingredient
ReferenceSame Category
Γ-undecalactone
CAS104-67-6
flavoring agent and fragrance ingredient
ReferenceSame Category
(−)-muscone
CAS10403-00-6
fragrance ingredient
Safety Reference
Warning
H317May cause an allergic skin reaction
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H412Harmful to aquatic life with long lasting effects
H401Toxic to aquatic life
Customs Tariff Classification
The international HS code for Cinnamaldehyde (CAS 104-55-2) is 2912.29.
HS code (international, 6-digit)
2912.29
EU CN code (8-digit)
2912 29 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)-3-phenylprop-2-enal
InChIKey
KJPRLNWUNMBNBZ-QPJJXVBHSA-N
SMILES
C1=CC=C(C=C1)/C=C/C=O
Synonyms (58)
- CNMA
- Cinnamaldehyde, United States Pharmacopeia (USP)
- (2E)-3-Phenyl-2-propenal
- (2E)-3-phenylacrylaldehyde
- (2E)-3-phenylprop-2-enal
- (3E)-3-phenylprop-2-enal
- (E)-3-Phenyl-2-propenal
- (E)-3-Phenyl-propenal
- (E)-3-phenylacrylaldehyde
- (E)-3-phenylprop-2-enal
- (E)-Cinnamaldehyde
- (E)-Cinnamic aldehyde
- 2-Propenal, 3-phenyl-
- 2-Propenal, 3-phenyl-, (E)-
- 2-propenal, 3-phenyl-, (2E)-
- 3-Fenylpropenal
- 3-Fenylpropenal [Czech]
- 3-Phenyl-2-propen-1-al
- 3-Phenyl-2-propenal
- 3-Phenyl-2-propenaldehyde
- 3-Phenylacrolein
- 3-Phenylacrylaldehyde
- 3-Phenylpropenal
- 3-phenylprop-2-enaldehyde
- Abion CA
- Acrolein, 3-phenyl-
- Aldehyd skoricovy
- Aldehyd skoricovy [Czech]
- Benzylideneacetaldehyde
- Cassia aldehyde
- Caswell No. 221A
- Cinnamal
- Cinnamaldehyde, (E)-
- Cinnamaldehyde, natural
- Cinnamaldehyde, trans-
- Cinnamic aldehyde
- Cinnamic aldehyde (natural)
- Cinnamylaldehyde
- Cinnemaldehyde
- Hefty Dog and Cat Repellent
- Phenylacrolein
- Zimtaldehyde
- beta-Phenylcrolein
- beta-phenylacrolein
- cinnamaldehyde
- cinnamic aldehyde, (E)-
- trans-Cinnamaldehyde
- trans-Cinnamic aldehyde
- trans-Cinnamylaldehyde
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