SOLVENT CONTAINING 1, 2, 5-THIADIAZOLE COMPOUND, AND METHOD FOR EXTRACTING ORGANIC COMPOUND USING S

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PROBLEM TO BE SOLVED : To provide a solvent which does not cause the depletion of ozone layer surrounding the earth, has low toxicity, does not pose environmental pollution problems such as groundwater pollution and air pollution. SOLUTION : This solvent contains at least one 1, 2, 5-thiadiazole compound represented by formula (1) (wherein R1 and R2 each represent hydrogen or a methyl group).