"p-Chlorocresol (p-chloro-m-cresol; PCMC; brand name: Preventol CMK) is a chlorinated phenol which is used as an antiseptic and preservative. It forms colourless, dimorphous crystals at room temperature and is only slightly soluble in water. For use as a disinfectant such as a hand wash, it is commonly dissolved in alcohol in combination with other phenols. It is a moderate allergen for sensitive skin."

CAS：59-50-7
中文别名：对氯间甲酚;
英文别名：Chlorocresol;
分子式：C7H7ClO
分子量：142.583
精确质量：142.019
Psa：20.23
Logp：2.354

MDL号：MFCD00002323

沸点：104 °C (4 mmHg)

生产方法
1.由间甲酚与二氯硫酰反应。在搅拌下,将间甲酚慢慢加入二氯硫酰,反应温度控制在30-50℃。加完后保温16h,用水洗,用碳酸钠溶液洗至碱性,再用热水洗至中性。分出油层用无水氯化钙干燥,滤去干燥剂后减压蒸馏,将蒸馏液倒入石油醚中,冷却,过滤,干燥得成品。 1.防腐、消毒。用于有机合成,如染料、影片防腐剂等。
用途
1.防腐、消毒。用于有机合成,如染料、影片防腐剂等。