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nature : also known as β - cinnamic acid. A cis-and trans-isomers of two. Anti-ordinary-type. Colorless acicular crystals. Density 1.245. The boiling point of 300 ° C and 133 ° C melting point. Do not dissolve in water, soluble in water, alcohol, ether, acetone and acetic acid. When the heat derived from carboxylated styrene. When generating acid oxidation. Cinnamic acid exists in properly Lu Wis., the Soviet Union had such a Balsam. Cinnamates exist in Peru Balsam, Wis. properly Lu, Su had such a Balsam. Cinnamic acid esters used mainly Preparation, preparation for such type lilac scent and flavor with medicine. By formaldehyde and benzene in sodium acetate dehydrating agent such as acetic anhydride presence and role in the system.
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