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(E)-cinnamic acid

File:Zimtsäure_-_Cinnamic_acid.svg · Wikimedia Commons · See Wikimedia Commons

EntityQ164785· pop 45· linked from 199 articles

(E)-cinnamic acid

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Also known as (2E)-3-phenyl-2-propenoic acid, Phenylacrylic acid, trans-b-Carboxystyrene, trans-beta-carboxystyrene, (E)-3-phenyl-2-propenoic acid, trans-3-Phenylacrylate, trans-3-Phenyl-2-propenoic acid, (2E)-3-Phenyl-2-propenoate

chemical compound

In the Vinony graph

Vinony's link graph records 199 inbound references to (E)-cinnamic acid, and connects out to honey, sodium and medication.

It is catalogued under topics including Chembox having GHS data, ECHA InfoCard ID from Wikidata and Enoic acids.

Vinony links it to 44 Wikipedia language editions.

Chemical data

Formula
C9H8O2
Molecular weight
148.16 g/mol
IUPAC name
(E)-3-phenylprop-2-enoic acid
SMILES
C1=CC=C(C=C1)/C=C/C(=O)O
InChIKey
WBYWAXJHAXSJNI-VOTSOKGWSA-N
XLogP
2.1
Polar surface area
37.3 Ų
H-bond donors
1
H-bond acceptors
2
Formal charge
0

via PubChem

Wikidata facts

Mass
148.052
Show 9 more facts
Commons category
Cinnamic acid
chemical formula
C₉H₈O₂
canonical SMILES
C1=CC=C(C=C1)C=CC(=O)O
isomeric SMILES
C1=CC=C(C=C1)/C=C/C(=O)O
melting point
135
pKa
4.44
density
1.2475
boiling point
300
flash point
160
Sources (4)

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Encyclopedic overview

Cinnamic acid is an organic compound with the formula C6H5−CH=CH−COOH. It is a white crystalline compound that is slightly soluble in water, and freely soluble in many organic solvents. Classified as an unsaturated carboxylic acid, it occurs naturally in a number of plants. It exists as both a cis and a trans isomer, although the latter is more common. The cis-isomer is called allocinnamic acid.

Occurrence and production

Excerpted from Wikipedia’s “(E)-cinnamic acid” article, available under the CC BY-SA 4.0 licence.

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