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Process for the production of aminoguanidine bica...

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aminoguanidine bicarbonate(cas2582-30-1)​ technology

The synthesis technology of aminoguanidine bicarbonate(cas2582-30-1)


aminoguanidine bicarbonate(cas2582-30-1) was synthesized using hydrazine hydrate,lime nitrogen,sulfuric acid and ammonium bicarbonate as raw materials.Factors were investigated including the material ratio(hydrazine hydrate:lime nitrogen),water consumption,pH value and reaction temperature.The results show that optimum reaction conditions:is follow:the dose of water is 100 mL,reaction temperature is 45℃,the mole ratio of hydrazine hydrate to lime nitrogen is 1∶2,pH value is 7.2-7.5,heat for three hours at 70℃.The optimum conditions of crystallization are the crystallization temperature of 10℃ and the crystallization time of 4 hours.In this condition,the yield of products is 96.07% and the product purity is 98%.


COMPARATIVE STUDY OF THE DETERMINATION OF aminoguanidine bicarbonate(cas2582-30-1) BY IODOMETRY AND PHOTOMETRY


A comparative study demonstrated that both the iodometry and photometry could be used for the determination of aminoguanidine bicarbonate(cas2582-30-1).The iodometry was easy to operate and spent less analysis time and had a better precision, compared to the photometry. RSDs of the analytical results, which were separately obtained by the analysis of the same sample (n=9) using iodometry and photometry, were 2. 8% and 0. 54% respectively.

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