The Item for sale is 3 Ounces of Thiourea (CH4N2S), also known as Thiocarbamide. Thiourea is commonly used in electroplating solutions. STURDY PLASTIC BOTTLE: Our bottles are made of durable Polypropylene Plastic, which is a natural, translucent, lightweight, durable, and chemically resistant copolymer. The screw-top is completely leakproof. Bottle is sealed in plastic with the screw-top shrink-wrapped. HUNDREDS OF USES INCLUDING: Liquid Silver Polishes / Electroplating Solutions / Flame Retardant Resins / Photographic Fixing Agent / Rubber Vulcanizer / Thermosetting Resin Production.