sulfosalicylate of hydrazine, for its preparation and application as a stabilizer has antioxidant effect to compounds of stannous.

摘要

P sulfosalicylate of hydrazine of formula: & br / (see appended drawing in bopi) & br / & & br / in which & br / = 1, and 1 = b = 2, & br / and a process for its preparation, in which is reacted, sulphosalicylic acid and / or its with hydrazine hydrate and / or its hydrate, in a molar ratio of 1: 1 to 3: 1, in an aqueous medium at a temperature of between 5 and 60degré c. the sulfosalicylate of hydrazine can be implemented for the stabilization with an antioxidant effect of stannous compounds, in particular for the coloration electrolytic aluminium or aluminium alloys. / p