Process for producing beta-alanine diacetic acid or its...

Details Process for producing beta-alanine diacetic acid or its... Process for producing beta-alanine diacetic acid or its...

C - Chemistry, Metallurgy

07

C

C07C 229/16 (2006.01) C07C 227/14 (2006.01) C07C 227/18 (2006.01) C07C 227/26 (2006.01)

Patent

CA 2118306

Abstract of the disclosure: The invention relates to a process for preparing .beta.-alaninediacetic acid (Ia) or its alkali metal or ammonium salts (Ib) which comprises reacting iminodiacetic acid with acrylonitrile or C1-C4-alkyl acrylates in weakly acid to weakly basic aqueous medium and subsequently hydrolyzing the nitrile or ester moiety to the acid or a salt. The products prepared according to the invention can be used, in particular, to form complexes.

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