Molecule record

(E)-3-phenylprop-2-enoic acid

C9H8O2

148.16 g/mol

Loading structure

Molecular properties

Formula
C9H8O2
Molar mass
148.16 g·mol−1
Exact mass
148.0524 Da
6
PubChem CID
444539

Functional groups

Alkene
Aromatic ring
Carboxylic acid

Physical properties

No source-backed physical properties are curated for this molecule yet.

Common names and synonyms

  • 3-Phenylacrylic acid
  • 3-Phenylpropenoic acid
  • 3-phenylprop-2-enoic acid
  • 621-82-9
  • Acidum cinnamylicum
  • Benzenepropenoic acid
  • Benzylideneacetic acid
  • CHEBI:27386
Show all 24 synonyms
  • CINNAMIC ACID
  • CINNAMIC ACIDUM
  • Cinnamic Acid 1511
  • Cinnamic acid, (E)-
  • Cinnamic acid, trans-
  • Cinnamylic acid
  • DTXSID40110056
  • FEMA No. 2288
  • Kyselina skoricove
  • NSC-44010
  • NSC-623441
  • NSC-9189
  • Phenylacrylic acid
  • U14A832J8D
  • Zimtsaeure
  • beta-Phenylacrylic acid

Structure identifiers

Canonical SMILES
O=C(O)/C=C/c1ccccc1
Isomeric SMILES
C1=CC=C(C=C1)/C=C/C(=O)O
InChI
InChI=1S/C9H8O2/c10-9(11)7-6-8-4-2-1-3-5-8/h1-7H,(H,10,11)/b7-6+
InChIKey
WBYWAXJHAXSJNI-VOTSOKGWSA-N
PubChem CID
444539

Spectroscopy

Tabs appear only for spectra stored with clear provenance.

Open library
No redistributable or simulated spectroscopy record is attached yet.

Simulated NMR

On-demand educational prediction for (E)-3-phenylprop-2-enoic acid; not experimental data.

Simulated EI mass spectrum

On-demand educational fragmentation for (E)-3-phenylprop-2-enoic acid; not experimental data.

Sources

Molecule identity

Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.

Open source record