分步结晶法精制3,5-二甲基苯酚

Refinement of 2,3,5-Trimethylphenol by Fractional Crystallization

对3,5-二甲酚粗品进行分步结晶,可得到含量98%以上的3,5-二甲酚纯品,总结晶收率可达44%。

The refinement of 3,5-cresol by fractional crystallization was studid. The content of 3,5-cresol was up to 98.0 %, and the crystallization yield was 44.0 %.