Weifang Changda Chemical Industry Co.,Ltd. can supply Thiourea. 1.Usage:Thiourea is mainly used to produce Thiourea Dioxide. It is widely used in medicine, pesticide, chemical fertilizer, silk making, agriculture and metal mine choosing. 2.Characture: white grain, lustrous thin piece, column and acicular crystals. 3.Quality index: Assay: 99% min; Moisture: 0.5% max