| Chemical Name： | Cinnamic Acid |
| Synonyms | 3-Phenyl-2-propenoic Acid; 3-Phenylacrylic Acid; NSC 623441; NSC 9189; Phenylacrylic Acid; β-Phenylacrylic Acid |
| CAS Number | 621-82-9 |
| Alternate CAS # | 140-10-3 trans-isomer |
| Molecular Formula： | C₉H₈O₂ |
| Appearance | White to Off-White Solid |
| Melting Point | 133-135ºC |
| Molecular Weight： | 148.16 |
| Storage | Refrigerator |
| Solubility | Chloroform (Slightly), Methanol (Slightly) |
| Category | Building Blocks; Miscellaneous; |
| Applications | Cinnamic Acid is rac-form of trans-Cinnamic Acid (P336185) which is used in the synthesis of amides and esters through coupling reactions involving carboxylic acids and amines and N-methylation of amides and O-methylation of carboxylic acids. |
| References | Kunishima, M. et al.: Tetrahedron, 55, 13159 (1999); Xia, Q. et al.: Org. Lett., 15, 3326 (2013); |
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