... C6H8O7FEMA No.: 2306 2.Usage: used in food industry,Citric acid esters such as triethyl citrate plasticizer can ... food packaging, plastic film, is the beverage and food industry, sour agents, preservatives,Acidic flavoring agent,Edible oil antioxidant ... experimental reagents, chromatography reagents and biochemical reagents; as a complexing agent, a masking agent; for preparing buffer solution. Using ...