Method of producing triaminoguanidine nitrate

Details Method of producing triaminoguanidine nitrate Method of producing triaminoguanidine nitrate

1984-07-02

1991-08-20

Miller, Edward A.

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

Organic compounds

Amino nitrogen containing

07C13310, C07C13310

Patent

active

050416618

ABSTRACT:
A process for preparing triaminoguanidine nitrate from relatively impure -99 percent)/commercial guanidine nitrate and commercial grade aqueous hydrazine (50-64 weight percent) in alcohol by: (1) adding enough hydrazine to form monoaminoguanidine nitrate, diaminoguanidine nitrate, or mixtures thereof, (2) physically removing the alcohol insoluble, solid impurities from the solution, (3) adding the remainder of the hydrazine needed to form triaminoguanidine nitrate, (4) adding nitric acid to adjust the pH to from 4.5 to 5.5, and (6) isolating the product triaminoguanidine nitrate.

REFERENCES:
patent: 3950421 (1976-04-01), Haury
patent: 4472214 (1984-09-01), Flanagan et al.
patent: 4479917 (1984-10-01), Rothgery et al.
patent: 4800232 (1987-01-01), Rothgery et al.

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