Hydrazides of amino-polyacetic acids as chelants

Details Hydrazides of amino-polyacetic acids as chelants Hydrazides of amino-polyacetic acids as chelants

1983-08-10

1986-09-02

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Amino nitrogen containing

560155, 560169, 560171, 562553, 562561, C07C10908

Patent

active

046097570

ABSTRACT:
Amino-polyacetic acids such as ethylenediaminetetraacetic acid, diethylene triaminepentaacetic acid and nitrilotriacetic acid are reacted with alkanols and then with hydrazine to form the hydrazides which may be converted to carboxyhydrazides, i.e. carbazic acids. The products perform well as chelants and sequestering agents.

REFERENCES:
patent: 3351658 (1967-11-01), Bersworth

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