Thiourea
|
| Molecular: |
(NH2)2CS |
| Appearance: |
colorless crystal. |
| Packing: |
net 25kg woven bags with PE inner liner. |
| Usage: |
used as inermediate for drugs and synthesizing of sulfathiazole,and also used as bleaching agent,dyeing assistant,developer and mix color agent in the field of photo material,also as rust-eaten agent of metal. |
| Specification |
Superfine Grade |
First Grade |
Second Grade |
| Purity(%Min) |
99.0 |
98.5 |
98.0 |
| Moisture(%Max) |
0.40 |
0.50 |
1.00 |
| Ash content(%Max) |
0.10 |
0.15 |
0.30 |
| Insoluble matter(%Max) |
0.02 |
0.05 |
0.10 |
| Sulfocyan(%Max) |
0.02 |
0.05 |
0.10 |
| Melting point(°CMin) |
171 |
170 |
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