4944 trans-Cinnamic acid Cinnamic acid has the formula C6H5CHCHCOOH and is an odorless white crystalline acid, which is slightly soluble in water. It has a melting point of 133 degree centigrade and a boiling point of 300 degree centigrade. 140-10-3 444539 C9H8O2 148.16 White powder. 133 °C 300°C (572°F) 0.546 mg/mL No indication of carcinogenicity to humans (not listed by IARC). 2014-09-11T05:21:00Z 2026-04-16T22:52:24Z http://en.wikipedia.org/wiki/trans-Cinnamate C00423 35697 CPD-674 TCA true OC(=O)\C=C\C1=CC=CC=C1 C9H8O2 InChI=1S/C9H8O2/c10-9(11)7-6-8-4-2-1-3-5-8/h1-7H,(H,10,11)/b7-6+ WBYWAXJHAXSJNI-VOTSOKGWSA-N 148.1586 148.0524295 Exogenous Solid 2.13 HMDB00930 392447 Zhu, Min; Shentu, Chao; Zhou, Zhong Shi. Microwave-assisted base-free synthesis of trans-cinnamic acids using hypervalent iodonium salts. Chinese Chemical Letters (2007), 18(3), 272-274. CHEM003845 DTXSID5022489 (2E)-3-phenylprop-2-enoic acid