Product Short Description: LITHIUM ACETATE AR Product Description: Offered lithium acetate is used as a catalyst in the production of polyester, alkyd resin and acrylic polymer.Uses. Lithium acetate is used in the laboratory as buffer for gel electrophoresis of DNA and RNA. It has a lower electrical conductivity and can be run at higher speeds than can gels made from TAE buffer (5-30V/cm as compared to 5-10V/cm).