Thiourea

(1)Chemical name:thiourea (thiocarbamide)
(2)Molecular formula & molecular weight:(NH2)2CS=76.12

(3)Specification:HG/T3266-2002.

Index Name	Index
	Excellence	First Grade	Qualifica_ tion
Purity % ≥	99.0	98.5	98.0
Weight loss on dry % ≤	0.40	0.50	1.00
Ash % ≤	0.10	0.15	0.30
Insoluble matter in wate % ≤	0.02	0.05	0.10
Thiocyanate ￡¨CNS ￡© % ≤	0.02	0.05	0.10
Melting point ￡¨Centigrade degree￡©≤	171	170	--

(4)Character:White,glazed crystal,bitter,soluble in water,decompositing when heated,being complex with a lot of metals and inorganic salts.
(5)Use:Used as thiazole medecine such as sulphathiazole,tetramizole,thiourea dioxide and a medium of medicine curing thyroid gland.Intextile industry,it's used as a bleaching agent,dyeing agent and antioxidant.In the proeess of making a blueprint paper,it is characterized by distinctness and fadelessness.In photo industry,it'used as a stabilizer of developing emulsion and fixing bath.In the proeess of extracting gold, it can replace the intense poison cyanide.Incopperplating and galanizing barium,it can devide equally the deposition of matals,improve the stability of electroplating solutiom and gain the lustre surface on the plating material. It's also used to clean accumulated filty in the high-pressure boiler and as a synergist for nitrogenous fertilizer.It can cure the mildew of oranges and tangerines and tangerines and restrain the bud of potato and yam.
(6)Packing:Packed in polypropylene bag,lined with polyethylene bag 25kg/bag net.
(7)Storage:Keep in a dry warchouse,Avoid raining when shipping.