Process for producing hydrazine sulfate

Chemistry of inorganic compounds – Nitrogen or compound thereof – Oxygen containing

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C01B 2154

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042397413

ABSTRACT:
Hydrazine sulfate having a relatively large particle diameter and a high purity is produced by hydrolysis of benzophenoneazines by sulfuric acid having a concentration of 75% by weight or less in an amount of 1.1 times by mole or more the stoichiometric amount in a very high conversion and a high yield with less operational loss.

REFERENCES:
patent: 2931707 (1960-04-01), Meyer et al.
Curtius and Rauterberg, Journal fur praktische Chemie, 44, 200 (1891).

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