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The difference between chelating agents and complexing agents

Posted on September 13, 2023September 13, 2023 By admin No Comments on The difference between chelating agents and complexing agents

Chelating agents and complexing agents are both a type of coordination compound, which differ in chemical properties as follows:

Chemical structure: Chelating agent PBTC is a ligand molecule that can surround and fix metal ions through one or more pores on their ligand, thereby forming a stable complex. A complexing agent is a complex composed of one or more ligands and a metal center.

Complex stability: Chelating agents are usually more stable than complexing agents. Due to the chelating agent’s ability to completely surround metal ions, shielding and protecting them from interference from other molecules. The complexing agent can only maintain the stability of the complex through the electrostatic force between metal ions and ligands, which is easily influenced by other molecules.

Application field: Chelating agents are widely used in medicine, ecology, industry, and other fields, especially in liver disease, kidney disease, heavy metal poisoning and other fields, with important application value. And complexing agents are mainly used in catalysis, electronic materials, redox reactions, and other fields.

Toxicity: Chelating agents have lower toxicity, while chelating agents may cause harm to the human body due to the toxicity of metal ions.

In summary, chelating agents and chelating agents are important chemicals that play important roles in different fields. Suitable coordination compounds need to be selected based on the specific application situation.

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