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By certification 
Product name: Thiourea
CAS NO.: 62-56-6
Molecular formula: CH4N2S
HS Code: 2930909090
UN NO.: 2811/3077
DG Class:6.1 or 9
Application:
Thiourea is a fine chemicals product with high additive value,which is widely applied in various industries such as medicine, agriculture, textile, printing-dyeing, chemical, metal-mine-selecting, laundering etc.
It mainly used in:
1. pharmaceutical raw material,
2. bleaching agent in textile dyeing and printing
3. auxiliary of dyeing and anti-oxidant
4. rubber accelerator
5. floating agent
6. photo developing agent
7. resin compression molding
8. powder electroplating
9. blue printing and boiler washing
10. macromolecule material industry
11. catalysis agent and stabilizer of resinic producing
12. organic synthesization of sensitizing material, and medicine, medical, spicery materials in fine chemicals
13. recycling and separating of heavy metals etc.
| Item | Metrical Unit | STANDARD | Actual Results |
| Purity | % | 99.0 min | 99.15 |
| Loss on heating | % | 0.40 max | 0.20 |
| Ash content | % | 0.10 max | 0.05 |
| Water-insoluble | % | 0.02 max | 0.01 |
| Thiocyanate | % | 0.02 max | 0.018 |
| Melting point | °C | 171 min | 172 |
