二硫甲脒盐酸盐的合成及热分析  

Synthesis and thermal analysis of formamidine disulfide di-hydrochloride

作　　者：王新红[1] 顾荷霞[1] 彭秉成[1] 

机构地区：[1]江苏省滩涂生物资源与环境保护重点实验室,江苏盐城师范学院化学系,江苏盐城224002

出　　处：《应用化工》2006年第8期580-582,590,共4页Applied Chemical Industry

基　　金：江苏省滩涂生物资源与环境保护重点实验室开放基金资助课题(JLCBE05027);盐城师范学院院级科研项目(05YCKW1059)

摘　　要：以双氧水氧化硫脲与盐酸反应，制备了二硫甲脒盐酸盐，适宜的反应条件为：在温度为3℃，酸度为4mol/L时，产率最高达61.93％；用IR，UV表征了产物。测定了产物的燃烧热为3181．75kJ／mol，解释了反应过程中的强放热现象。二硫甲脒盐酸盐的TG-DTA-DTG曲线说明，产物首先发生了两次一级分解反应，其表观活化能分别为155．71kJ／mol和36．12kJ／mol。Formamidine disulfide di-hydrochloride was synthesized with hydrochloric acid and thiourea oxidazed by hydrogen peroxide self-made reactor, the optimum reaction conditions are temperature being 3℃ ,acidity 4 mol/L with 61.93% yield. The product was characterized by IR, UV. Combustion heat of product is 3181.75 kJ/mol,which unpuzzle strong exothermic phenomenon in reaction. Thermal analysis results indicated formamidine disulfide di-hydrochloride exhibit complex behaviors from the curves of TGDTA-DTG,firstly including two first order decomposition reactions and its apparent activation energy is 155.71 kJ/mol,36.12 kJ/mol.

关 键 词：二硫甲脒盐酸盐 合成 热分析 

分 类 号：O643[理学—物理化学]