EDTA 2Na(Ethylenediaminetetraacetic acid disodium salt)
CAS No.: 6381-92-6
Properties: White crystalline powder. Soluble in water, can chelate with a variety of metal ions.
Usage: It is an important complexing agent for complexing metal ions and separating metals. It is used as a bleaching fixative for washing and processing of color photosensitive materials, and dyeing auxiliaries, fiber treatment agents, cosmetic additives, pharmaceutical, food, agricultural chemical micro-fertilizer production, blood anticoagulants, complexing agents, detergents, stabilizers, synthetic rubber, polymerization initiators and heavy metal Quantitative analysis, etc. . In the chlorination-reduction initiation system for SBR polymerization, sodium EDTA is used as an active agent to complexate iron ions and control the reaction rate.