Thiourea
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China [CN] 1). Product name:Thiourea, also named Thiocarbamide
2). CAS.: 62-56-6
3). Molecular formula: CH4N2S
4). Molecular weight: 6.12
5). Product character: Thiourea is a white sheen slice, pillar or needle form shining crystallize body, density 1.046,melt point 170-172. It can dissolves in cold water, ammonium sulphur prussic acid and alcohol, also easily dissolves in aether.
6). Using: The product is widely used in pharmaceutical industry, agricultural, chemicals, metallurgical industry, petroleum and so on, It is also main material for producing thiourea dioxide.
7). Executive standard HG/T3266---2002
| Specifications | Best grade | Frist grade | Qualified grade |
| Content of thiourea,% min | 99.0 | 98.5 | 98.0 |
| Loss after heated,% max | 0.40 | 0.50 | 1.00 |
| Ash content,% max | 0.10 | 0.15 | 0.80 |
| Water insoluble matter,% max | 0.02 | 0.05 | 0.10 |
| Suiforho danide(with CNS-),% max | 0.02 | 0.05 | 0.10 |
| Melting point, | 171 | 170 | ----- |
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