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以1，4‑丁二酸二酰肼为原料，采用“MNNG合环法”一锅直接合成了1，2‑二（3，3′‑二硝氨基‑1H‑1，2，4‑三唑‑5‑基）乙烷一水合物（1），研究了化合物1的较优合成工艺。通过化合物1与1，3‑丙二胺反应得到了1，2‑二（3，3′‑二硝氨基‑1H‑1，2，4‑三唑‑5‑基）乙烷‑1，3‑丙二铵盐（2），通过X射线单晶衍射分析获得了化合物2的单晶结构。采用红外光谱、核磁以及元素分析对化合物1和2结构进行了表征；利用差示扫描量热法分析了热性能，结果表明1和2的起始热分解温度分别为184 ℃和214 ℃；利用EXPLO5（v6.02）软件模拟计算了化合物1和2的主要爆轰参数，其中化合物1的理论爆速为8602 m·s-1，理论爆压为28.10 GPa，化合物2的理论爆速为7740 m·s-1，理论爆压为19.10 GPa；利用BAM 感度测试仪进行感度测试，化合物1的撞击感度为35 J，摩擦感度为108 N，化合物2的撞击感度大于40 J，摩擦感度大于360 N。“,”Using 1，4‑dihydrazide succinate as raw material， 1，2‑bis（3，3'‑dinitroamine‑1H‑1，2，4‑triazol‑5‑yl）ethane monohydrate （1） was synthesized by the one‑pot “MNNG ring method”. And the synthetic conditions of this reaction were carefully optimized. The corresponding 1，3‑propanediamine salt （2） was obtained through the reaction of compound 1 and 1，3‑propanediamine. The detailed single crystal structure of compound 2 was determined by X‑ray single crystal diffraction. FT‑IR， NMR and elementary analysis were used to characterize the structures of compounds 1 and 2. Moreover， the thermal properties of compounds 1 and 2 have been studied by TG‑DSC. The results showed that the initial decomposition temperature of compounds 1 and 2 are 184 ℃ and 214 ℃， respectively. The main detonation parameters of compounds 1 and 2 were calculated by using EXPLO5 （v6.02） software. The calculated detonation velocity of compound 1 is 8602 m·s-1 and its calculated detonation pressure is 28.10 GPa. For compound 2， the calculated detonation velocity and detonation pressure are 7740 m·s-1 and 19.10 GPa， respectively. Furthermore， their mechanical sensitivities were tested by BAM sensitivity test. The impact sensitivity of compound 1 is 35 J and its friction sensitivity is 108 N. The impact sensitivity of compound 2 is greater than 40 J， and its friction sensitivity is more than 360 N.