... 3.Free sample 4.good texture, brilliant crystalline Factory Thiourea 99%min best quality 1).Character Molecular Formula ... )0.02%maxMelting pointCentigrade degree1713) Use:1, thiourea can be used in drug and feed additive ... produce cold wave lotion; 10, used to produce thiourea dioxide ; 11, chemical reagent; 12, blueprint used ... and avoid raining when shipping. Factory Thiourea 99%min best quality