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Purification of 2,6 dichlorotoluene by the recrystallization method without solvent was studied.
研究了用无溶剂重结晶法提纯2,6二氯甲苯.
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Taking p chlorotoluene as raw material , 2,4 Dichlorotoluene was synthesized via catalytic chlorination process.
以对氯甲苯为原料, 经催化氯化制取2,4二氯甲苯.
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