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PROCESS FOR THE PURIFICATION OF MERCAPTOBENZOTHIAZOLE
In the manufacture of high-purity mercaptobenzothiazole by extracting the reaction mixture of aniline, sulfur, and carbon disulfide, the product is to be extracted by aniline, which is to be distilled in a vacuum (15-20 mmHg) at 100-110oC blowing a little nitrogen gas. Thus purified mercaptobenzothiazole shows 98.8% purity and 177-180oC melting point.
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