| 摘要 |
[Object] To provide a method of making high-purity 2,7-dimethylnaphthalene from a dimethylnaphthalene isomer mixture at high yield by a simple industrial process with low production costs. [Means for Solving Problems] A method of purifying 2,7-dimethylnaphthalene includes a step of bringing a stock oil containing a mixture of 1,7-dimethylnaphthalene and 2,7-dimethylnaphthalene and a developing solvent into contact with L zeolite to adsorb 1,7-dimethylnaphthalene.
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