Reaction of β-chloroethanol with sodium azide gives β-azidoethanol which in turn reacts with phosphorus oxychloride (triethylamine as an acid-trapping agent) to form a novel compound—tri(β-azidoethyl) phosphate (TAEP). The structure of TAEP has been identified by IR,1HNMR,MS and elemental analysis. TAEP is a colorless liquid with theoritical nitrogen content 41.3%,density (25 ℃) 1.337 g·cm-3,n25D 1.484 0. The onset and peak temperature of TAEP decomposition measured by DSC (heating rate 10 K·min-1,nitrogen atmosphere) are 199 ℃ and 248 ℃ respectively. Impact sensitivity of TAEP is 20% (hammer 10 kg,height 25 cm,sample mass (50±1) mg,25 tests).
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叶玲,欧育湘,陈博仁,等.三(β-叠氮乙基)磷酸酯的合成[J].含能材料, 2000, 8(3):97-99. YE Ling, OU Yu-xiang, CHEN Bo-ren, et al. Synthesis of Tri(β-azidoethyl)phosphate[J]. Chinese Journal of Energetic Materials, 2000, 8(3):97-99.