cinnamic acid, also known as β-phenylacrylic acid and 3- phenyl -2- acrylic acid. It is an organic acid separated from cinnamon bark or benzoin. Phenylacrylic acid produced by deamination degradation of phenylalanine in plants. Mainly used in flavors and fragrances, food additives, pharmaceutical industry, beauty, pesticides, organic synthesis and so on.

Chinese name cinnamic acid in molecular structure diagram; Cinnamic acid; Cinnamic acid; 3- phenylacrylic acid; Skin acid; β-phenylacrylic acid

English name cinnamic acid；; β-phenylacrylic acid

chemical name β -phenylacrylic acid; 3- phenyl -2- acrylic acid

Chinese and English alias cinnamic acid; Phenylacrylic acid; Benzylidene acetic acid; Cinnamic acid; trans-3-Phenylacrylic acid； Cinnamic acid； 3-phenyl-2-propenoic acid

CAS No.14-1-3

Einecs No.25-398-1 cinnamic acid structural formula

inchinchinchi = 1/c9H8O2/C1-9 ⑾ 7-6-8-4-2-. Slightly fragrant with cinnamon.

Soluble in ethanol, methanol, petroleum ether and chloroform, soluble in benzene, ether, acetone, glacial acetic acid, carbon disulfide and oil, slightly soluble in water.

density 1.245

melting point (℃)133

boiling point (℃)3

toxic LD5(mg/kg) 25 in rats.

dissolution: 1g can be dissolved in 2L water (25℃), 6ml ethanol in hot water, and benzene, acetone, ether, glacial acetic acid, carbon disulfide and other solvents in any proportion.