Thiourea (Thiocarbamide)
(1)
Chemical name:thiourea
(thiocarbamide)
(2)Molecular formula & molecular weight:
(NH2)2CS=76.12
(3)Specification:ZBG1703--88
Index
Name |
Index |
|
Excellence |
First Grade |
Qualification |
|
Purity %  |
99.0 |
98.5 |
98.0 |
|
Heat resistance %  |
0.40 |
0.50 |
1.00 |
|
Ash %  |
0.10 |
0.15 |
0.30 |
|
Insoluble
matter in wate %  |
0.02 |
0.05 |
0.10 |
|
Thiocyanat(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.