Names
Preferred IUPAC name: (2)-3-Phenylprop-2-enoic acid
Other names
Cinnamic acid
-Cinnamic acid
Phenylacrylic acid
Cinnamylic acid
3-Phenylacrylic acid
(E)-Cinnamic acid
Benzenepropenoic acid
Isocinnamic acid
Identifiers
CAS Number: 140-10-3
JSmol: Interactive image
ChEBI: CHEBI:35697
ChEMBL: ChEMBL27246
ChemSpider: 392447
ECHA InfoCard: 100.004.908
IUPHAR/BPS: 3203
KEGG: C00423
PubChem: 444539
UNII: U14A832J8D
Properties
Chemical formula: C9H8O2
Molar mass: 148.16 g·mol
Appearance: White monoclinic crystals
Density: 1.2475 g/cm3
Melting point: 133 °C (271 °F; 406 K)
Boiling point: 300 °C (572 °F; 573 K)
Solubility in water: 500 mg/L
K: 4.44
Magnetic susceptibility: -78.36·10 cm/mol−63
Hazards
EU classification: Xi
R-phrases: R36
S-phrases: S25
NFPA 704:
Flash point: > 100 °C (212 °F; 373 K)
Related compounds
Related compounds: Benzoic acid
Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).
Infobox references