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Chloropropyl-functionalized mesoporous MCM-41(MCM-41-(CH2)3Cl) was synthesized in alkaline medium by the microwave radiation one-pot method,using cetyltrimethy-lammoniumbromide (CTAB) as novel template,tetraethoxysilane (TEOS) as silica source,and chloropropyltriethoxysilane (CIPTES) as the coupling agent.The microstructure of MCM-41-(CH2)3Cl was characterized by the means of X-ray diffraction (XRD),nitrogen absorption-desorption,Fourier transform infrared spectroscopy (FT-IR),scanning electron microscopy (SEM),and transmission electron microscopy (TEM).The results show that a successful synthesis of MCM-41-(CH2)3Cl with well structure is obtained.The optimal microwave power is 120 W and the best microwave time is 50 min.The dosage of chloropropyltriethoxysilane on the structure of chloropropyl-functionalzed MCM-41 was also investigated.It is found that the chloropropyltriethoxysilane volume between 0.8 mL and 1.6 mL is favorable for the formation of highly ordered MCM-41-(CH2)3Cl mesostructure.