Quaternary Salts
& Surface Active Agent Series
Fine Chemicals
& Pharmaceutical Intermediates
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Products > Fine Chemicals & Pharmaceutical Intermediates
Thiourea
(2)Molecular formula & molecular weight:(NH2)2CS=76.12
(3)Specification:
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% ≤ |
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,its 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,itused 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. Its 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.