五硫化二磷是制造有机磷酸酯类农药、浮选剂、润滑油添加剂及火柴等的重要原料。常温下是淡黄色的晶体 ,并易升华。具有似硫化氢气体的气味。接触五硫化二磷的工人有眼结膜和呼吸道刺激症状。经检索 ,国内外还没有空气中五硫化二磷测定方法的报道。本文根据五硫化二磷可在水中 Phosphorus pentasulfide is an important raw material for the manufacture of organic phosphate pesticides, flotation agents, lubricant additives and matches. At room temperature is a pale yellow crystal, and easy to sublimate. Has a smell like hydrogen sulfide gas. Workers exposed to phosphorus pentasulfide have conjunctival and respiratory irritation symptoms. After the search, at home and abroad there is no report of determination of phosphorus pentasulfide in the air. This article is based on phosphorus pentasulfide in water