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Substance Name: Cinnamic acid
RN: 140-10-3
UNII: U14A832J8D
InChIKey: WBYWAXJHAXSJNI-VOTSOKGWSA-N

Molecular Formula

  • C9-H8-O2

Molecular Weight

  • 148.1602
 
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Names and Synonyms

Name of Substance

  • Cinnamic acid

Synonyms

  • (E)-3-Phenyl-2-propenoic acid
  • (E)-Cinnamic acid
  • 4-09-00-02002 (Beilstein Handbook Reference)
  • AI3-23709
  • BRN 1905952
  • CCRIS 3190
  • EINECS 205-398-1
  • NSC 44010
  • trans-3-Phenyl-2-propenoic acid
  • trans-3-Phenylacrylic acid
  • trans-beta-Carboxystyrene
  • trans-Cinnamic acid
  • UNII-U14A832J8D

Systematic Names

  • 2-Propenoic acid, 3-phenyl-, (2E)-
  • 2-Propenoic acid, 3-phenyl-, (E)-
  • Cinnamic acid, (E)-
  • trans-Cinnamic acid

Registry Numbers

CAS Registry Number

  • 140-10-3

FDA UNII

  • U14A832J8D

System Generated Number

  • 0000140103

Structure Descriptors

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

Smiles

c1(\C=C\C(O)=O)ccccc1

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
bird - wild LD50 oral 100mg/kg (100mg/kg)   Archives of Environmental Contamination and Toxicology. Vol. 12, Pg. 355, 1983.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 133 deg C   EXP
Boiling Point 300 deg C   EXP
pKa Dissociation Constant 4.44 (none) 25 EXP
log P (octanol-water) 2.13 (none)   EXP
Water Solubility 546 mg/L 25 EXP
Henry's Law Constant 1.29E-08 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 2.21E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.