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1982•Journal of the American Oil Chemists SocietyRequires access

Synthesis of EDTA‐monoalkylamide chelates and evaluation of the surface‐active properties

Toshio Takeshita, Takaaki Shimohara, Shigeru Maeda

Open publisher page 53 citations

Abstract

ABSTRACT New chelating agents were synthesized from long‐chain amines and ethylenediaminetetraacetic acid (EDTA) monoanhydride which was prepared by partial hydrolysis of EDTA anhydride. The equivalent reactions between the chelating agents and several metal ions gave the corresponding 1:1 metal chelates in good yield. These chelates and the sodium salts of the chelating agents were found to have good surface active properties, especially dispersing power and emul‐sifying power.

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ABSTRACT New chelating agents were synthesized from long‐chain amines and ethylenediaminetetraacetic acid (EDTA) monoanhydride which was prepared by partial hydrolysis of EDTA anhydride. The equivalent reactions between the chelating agents and several metal ions gave the corresponding 1:1 metal chelates in good yield. These chelates and the sodium salts of the chelating agents were found to have good surface active properties, especially dispersing power and emul‐sifying power.

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Available abstract

ABSTRACT New chelating agents were synthesized from long‐chain amines and ethylenediaminetetraacetic acid (EDTA) monoanhydride which was prepared by partial hydrolysis of EDTA anhydride. The equivalent reactions between the chelating agents and several metal ions gave the corresponding 1:1 metal chelates in good yield. These chelates and the sodium salts of the chelating agents were found to have good surface active properties, especially dispersing power and emul‐sifying power.

Key concepts: Ethylenediaminetetraacetic acid, Chelation, Chemistry, Metal, Hydrolysis, Metal ions in aqueous solution, Nuclear chemistry, Inorganic chemistry

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