Aminoguanidine was synthesized from aminoiminomethanesulfonic acid(AIMSO 3H hydrate) and hydrazine hydrate in yield of 89% and purity of 86%. The product is characterized by IR, color reaction and molecular mass deter...Aminoguanidine was synthesized from aminoiminomethanesulfonic acid(AIMSO 3H hydrate) and hydrazine hydrate in yield of 89% and purity of 86%. The product is characterized by IR, color reaction and molecular mass determination. Water is a good medium for synthesis. The optimum reaction temperature is 60 ℃. The reactant ratio showed an obvious on the yield.展开更多
The title compound in monohydrate was prepared from aminoiminomethanesulfinic aicd by H 2O 2 oxidation in aqueous sulfuric acid solution. The compound is unstable in moisture, especially in acid atmosphere.
Chitosguanidine sulfate was synthesized by reaction of chitosan with aminoiminomethanesufonic acid. The compound has been characterized by IR spectra. It is soluble in water and react with picric acid to form an yello...Chitosguanidine sulfate was synthesized by reaction of chitosan with aminoiminomethanesufonic acid. The compound has been characterized by IR spectra. It is soluble in water and react with picric acid to form an yellow sediment. Its specific viscosity in aqueous solution is reduced on heating. The chitosguanidine has good hygroscopicity and moisture retention close to hyaluronic acid.展开更多
文摘Aminoguanidine was synthesized from aminoiminomethanesulfonic acid(AIMSO 3H hydrate) and hydrazine hydrate in yield of 89% and purity of 86%. The product is characterized by IR, color reaction and molecular mass determination. Water is a good medium for synthesis. The optimum reaction temperature is 60 ℃. The reactant ratio showed an obvious on the yield.
文摘The title compound in monohydrate was prepared from aminoiminomethanesulfinic aicd by H 2O 2 oxidation in aqueous sulfuric acid solution. The compound is unstable in moisture, especially in acid atmosphere.
文摘Chitosguanidine sulfate was synthesized by reaction of chitosan with aminoiminomethanesufonic acid. The compound has been characterized by IR spectra. It is soluble in water and react with picric acid to form an yellow sediment. Its specific viscosity in aqueous solution is reduced on heating. The chitosguanidine has good hygroscopicity and moisture retention close to hyaluronic acid.
