Compounds

Cinnamic acid

Marks the cinnamate balsams: Sumatra benzoin, storax, tolu and Peru balsam. Its presence is the single biggest reason Sumatra benzoin smells warmer and spicier than Siam.

· Atlas · Compounds

Cinnamic acid
Roleacid
FormulaC9H8O2
Molecular weight148.16 g/mol
IUPAC name(E)-3-phenylprop-2-enoic acid
XLogP2.1
PubChem CID444539
SafetyRecognised skin sensitizer.

Scent facets

  • Warm, honeyed, faintly spicy-balsamic; the acid of cinnamon and storax.

Found in

Also called

  • CINNAMIC ACID
  • 621-82-9
  • 3-Phenylacrylic acid
  • Phenylacrylic acid
  • Zimtsaeure
  • (E)-3-phenylprop-2-enoic acid

Data: PubChem, GBIF (retrieved 2026-09-09); descriptions by Benjuí.