Process for the manufacture of N,N'-diacetylethylene diamine

Details Process for the manufacture of N,N'-diacetylethylene diamine Process for the manufacture of N,N'-diacetylethylene diamine

1979-06-28

1980-08-26

Demers, Arthur P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260561A, 260561K, C07C10344

Patent

active

042195004

ABSTRACT:
N,N'-Diacetylethylene diamine (DAED) is produced by first adding the stoichiometric amount of acetic acid (2 mols per mol of ethylene diamine) at least partially in the form of aqueous acetic acid to ethylene diamine, distilling off in a second step the water contained in the reaction mixture, adding acetic acid in excess to the remaining product, distilling off the aqueous acetic acid formed and recycling it into the first process step. The DAED remains as sump product after distillation of the acetic acid.

REFERENCES:
patent: 3223732 (1965-12-01), Viveen et al.
patent: 3539629 (1970-11-01), Mackellar et al.
patent: 3824286 (1974-07-01), Grimmelikhoysen
patent: 3824287 (1974-07-01), Matthias et al.
patent: 3886212 (1975-05-01), Kunstle et al.

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