Property: THPS is a kind of environmental anti-microbial reagent. THPS is characterized by its low solidity point and fine stability. THPS can be reserved for long time and can easily dissolve in water. THPS is a kind of new environmental pesticide with high efficacy, low toxicity and low rudimental. THPS can kill germ and aquatic plants. In 1995, the EPA of the United States ratified it with zero toxicity and awarded THPS with US Green Chemical prize.