white crystalline substance
| Parameter name | Value |
|---|---|
| The content of the main substance, min | 99% |
| Ash content, max | 0,1% |
| Rodanides, max | 0,02% |
| Water insoluble residue, max | 0,02% |
| Melting point ° C | 171 |
| Moisture contents, max | 0,4% |
Thiourea is also called Thiocarbamide, a dihydric acid diamide.
Spheres of application:
In agriculture, thiocarbamide has proven itself as an immunostimulant and plant growth regulator (herbicide), for example, when using Thiourea-based drugs, the degree of root rot damage decreases, the survival rate increases by more than 70% and the ear productivity increases.
In glass production as an additional component in the manufacture of organic glass.
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When receiving thiourea, the integrity of the bags, labelling, production date, quality certificate and the batch’s compliance with GOST 6344-73 are checked. Laboratory control focuses on the content of the main substance, ash content, thiocyanate, water-insoluble residue, moisture and melting point. Visually, the product should be a white crystalline substance without wetting, dense lumps, foreign inclusions or contamination. If the batch differs in colour or free-flowing quality, it is better to check it before transferring it into production.
Yes, thiourea and thiocarbamide are the same substance with the formula CH₄N₂S. When purchasing, it is important to check not only the name but also GOST 6344-73, the mass fraction of the main substance, ash content, thiocyanate content, water-insoluble residue, moisture and melting point.
Moisture and water-insoluble residue affect the free-flowing quality of thiourea, ease of dosing and the stability of working solutions. Increased moisture can lead to caking of the crystals, while excess insoluble impurities can lead to sediment, filter clogging or deviations in the process. For an enterprise, these indicators matter for regular purchases, where the batch must behave predictably. So they are best checked against the quality certificate and, if necessary, confirmed by incoming inspection.
Thiourea is stored in an unheated warehouse, in sealed factory packaging and protected from moisture, contamination and direct contact with incompatible substances. Bags are placed on pallets, preventing wetting, packaging damage and mixing of residues from different batches without control. For a wholesale buyer, preserved labelling, quality certificate, production date and observance of the guaranteed shelf life are important. Work with the product is carried out in PPE, since the substance requires careful handling and dust control.
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