This standard specifies the requirements, test methods, inspection rules and markings, packaging, transportation and storage, quality certificate and order form (or contract) content for isobutyl ethyl xanthate formate. This standard applies to isobutyl xanthate ethyl formate products produced with sodium isobutyl xanthogenate, ethyl chloroformate, and hydrochloric acid as raw materials. This product is mainly used as a collector for the flotation of nonferrous metal sulfide ores.