Caffeic acid is an organic acid found naturally in coffee, edible and inedible plants. It is a yellowish powder with an orange-red base solution. Caffeic acid showed good solubility in hot water and cold ethanol, and its solubility in cold water was relatively poor. Caffeic acid changes color in a solution of ferric chloride, turning dark green.
Different preparation methods of caffeic acid will have corresponding influence on the morphology of caffeic acid. Yellow crystals can be obtained from concentrated aqueous solution, while caffeic acid monohydrate can be obtained from dilute aqueous solution
When we were in the operation and use of caffeic acid, find it on our skin and eyes can produce irritating, may also produce certain harm to the environment, therefore, we in the use of caffeic acid, to strictly abide by the rules and correct operation, and completes the protective measures, such as wear chemical safety glasses, anti-static overalls, protective gloves, it is forbidden to smoke, if caffeic acid concentration is high, Use a gas mask. When leakage occurs, self-contained breathing apparatus is required.
Caffeic acid has a variety of effects, widely used in medicine, health care products, cosmetics and other fields, remind you to standardize the use of caffeic acid, improve the safety of use.