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PROBLEM TO BE SOLVED : To provide a novel organosilicon compound which is excellent in alkali resistance and has an oxetane ring at one end or each end, and a production method thereof.SOLUTION : The present invention provides an organosilicon compound having oxetane rings at both ends represented by the general formula (1) in the figure. (In the formula, Rare each independently a methyl group or ethyl group; Rto Rare each a C1-4 monovalent hydrocarbon group; Ris a C2-18 divalent hydrocarbon group; Rare each independently a C2-11 divalent hydrocarbon group.)