Features: shiny white crystals, bitter, flammable, the relative density
of 1.406. Melting point 170-172 ℃. Soluble in water and ethanol, soluble
in water, insoluble in ether.
Use: medicine intermediate for the
production of drugs. Rubber industry as vulcanization accelerator.
Mining used as flotation agent, also used as fabric, paper processing
agents, textile auxiliaries, oil and chemical additives. In metallurgy,
electroplating, pesticide and other industries also have applications.
Product Quality: meet HG/T3266-2002
Index Name / index / product level |
Excellence |
Grade |
Qualified |
Thiourea (NH2)2CS% ≥ |
99.0 |
98.8 |
98.0 |
Heating loss % ≤ |
0.40 |
0.50 |
1.00 |
Ash % ≤ |
0.10 |
0.15 |
0.30 |
Water Insoluble % ≤ |
0.02 |
0.05 |
0.10 |
Thiocyanate (in CNS dollars) % ≤ |
0.02 |
0.05 |
0.10 |
Melting point ℃ ≥ |
171 |
170 |
- |