C9H8O2
148.16 g/mol
Flavor & FragranceWarning
CINNAMIC ACID
CAS140-10-3EC210-708-3
Category
Flavor & Fragrance
Compound Class
Organic Acid
Primary Use
fragrance and flavoring agent
Cinnamic acid is a naturally occurring organic compound found in storax, balsam of Peru, cinnamon oil, and coca leaves. It is primarily used as a fragrance and flavoring agent, and also finds application in perfumery.
fragrance and flavoring agentuse in perfumery
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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Terpinolene
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fragrance and flavoring agent
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Phenylethyl alcohol
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fragrance and flavoring agent
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Tetrahydrolinalool
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fragrance and flavoring agent
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Β-naphthyl methyl ether
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fragrance and flavoring agent
Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for CINNAMIC ACID (CAS 140-10-3) is 2916.39.
HS code (international, 6-digit)
2916.39
EU CN code (8-digit)
2916 39 90
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-enoic acid
InChIKey
WBYWAXJHAXSJNI-VOTSOKGWSA-N
SMILES
C1=CC=C(C=C1)/C=C/C(=O)O
Synonyms (64)
- Cinnamic acid, United States Pharmacopeia (USP)
- (2E)-2-Phenyl-2-propenoate
- (2E)-3-Phenyl-2-propenoate
- (2E)-3-phenylacrylic acid
- (E)-3-Phenyl-2-propenoic acid
- (E)-3-Phenylacrylate
- (E)-3-Phenylacrylic acid
- (E)-3-phenylprop-2-enoate
- (E)-3-phenylprop-2-enoic acid
- (E)-Cinnamic acid
- 3-Phenylacrylic acid
- 3-Phenylpropenoic acid
- 3-phenyl-2E-propenoic acid
- 3-phenylprop-2-enoic acid
- Acidum cinnamylicum
- Benzeneacrylic acid
- Benzenepropenoic acid
- Benzylideneacetic acid
- CINNAMIC ACID
- CINNAMIC ACID [MART.]
- CINNAMIC ACIDUM
- Cinnamic Acid 1511
- Cinnamic acid(only trans)
- Cinnamic acid, (E)-
- Cinnamic acid, trans-
- Cinnamylic acid
- E-3-phenylpropenoic acid
- Kyselina skoricove
- PHENYLETHYLENECARBOXYLIC ACID
- Phenylacrylic acid
- TRANS-CINNAMIC ACID
- Zimtsaeure
- Zimtsaeure | trans-Cinnamate
- beta-Phenylacrylic acid
- cinnamic acid, (trans)-(E)-
- propenoic acid, 3-phenyl-
- t-Cinnamic acid
- trans-3-Phenylacrylic acid
- trans-Cinnamic acid, natural
- trans-Zimtsaeure
- trans-b-Carboxystyrene
- trans-beta-Carboxystyrene
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