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Stability of Dihydroxylammonium 5,5'-Bistetrazole-1,1'-Diolate (TKX-50) in Solvents

机译:二羟基铵5,5'-双级四唑-1,1'-二氢醇(TKX-50)的稳定性溶剂

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摘要

The stability of solid TKX-50 has attracted considerable attention. However, the stability of TKX-50 in solvents has not been investigated sufficiently yet. Herein, the stability of TKX-50 in various solvents, including N, N-dimethylformamide (DMF), dimethyl sulfoxide (DMSO), acetone, deionized water, ethyl acetate, acetonitrile, methanol, ethanol, petroleum ether, hexane, DMF/acetone (mixture of DMF and acetone) and DMF/DMSO (mixture of DMF and DMSO), has been studied. The results show that TKX-50 remains stable in DMSO, deionized water, ethyl acetate, acetonitrile, methanol, ethanol, petroleum ether and hexane. It is remarkable that TKX-50 can react with DMF in different ways under different conditions, such as a wide temperature range from 25 degrees C to 150 degrees C. The products in reactions between TKX-50 and DMF were dimethylammonium 5, 5'-bistetrazole-1-hydroxy-1'-oxygen (DMA-BTO), dimethylamine 5, 5'-bistetrazole-1, 1'-diolate (2DMA-BTO) and diammonium 5,5'-bistetrazole-1,1'-diolate (ABTOX), which were confirmed by single crystal diffraction, respectively. Moreover, the thermal stability of the products and the interconversion pathways between TKX-50 and products were determined. Subsequently, the reaction mechanism of TKX-50 in DMF solvent has been inferred.
机译:固体TKX-50的稳定性引起了相当大的关注。然而,溶剂中TKX-50的稳定性尚未充分研究。在此,在各种溶剂中TkX-50的稳定性,包括N,N-二甲基甲酰胺(DMF),二甲基亚砜(DMSO),丙酮,去离子水,乙酸乙酯,乙腈,甲醇,乙醇,石油醚,己烷,DMF /丙酮(DMF和丙酮的混合物)和DMF / DMSO(DMF和DMSO的混合物)已经研究过。结果表明,TKX-50在DMSO,去离子水,乙酸乙酯,乙腈,甲醇,乙醇,石油醚和己烷中保持稳定。显着的是,TKX-50可以在不同的条件下以不同的方式与DMF反应,例如从25摄氏度至150℃的宽温度范围。TKX-50和DMF之间的反应中的产物是二甲基铵5,5' Bistetrazole-1-羟基-1'-氧(DMA-BTO),二甲胺5,5'-双级四唑-1,1'二甲磺酸盐(2DMA-BTO)和二醇5,5'-双级四唑-1,1'-二氢盐(ABTOX)分别通过单晶衍射证实。此外,确定了产物的热稳定性和TKX-50和产物之间的互连途径。随后,已经推断了DMF溶剂中TKX-50的反应机理。

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