... 069-1MF: C6H8O7FEMA No.: 2306 2.Usage: used in food industry,Citric acid esters such as triethyl citrate plasticizer can be ... used for non-toxic, food packaging, plastic film, is the beverage and food industry, sour agents, preservatives,Acidic ... biochemical reagents; as a complexing agent, a masking agent; for preparing buffer solution. Using citric acid or citric acid salts ...