1 Key Laboratory of Luminescence and Real-Time Analysis, Ministry of Education, College of Pharmaceutical Sciences, Southwest University, Chong Qing 400716, People's Republic of China.
In the title compound, C4H8Cl4NOP, the two chloro-ethyl groups are not related by crystallographic symmetry. The difference in the conformation of the two groups is shown by their N-C-C-Cl torsion angles of 64.57 (15) and 175.62 (10)°.