Customization: | Available |
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CAS No.: | 57-13-6 |
Formula: | CH4n2o |
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Sulphur Coated Urea
1.Description
Name | Urea |
CAS NO. | 57-13-6 |
Chemical formula | CO (NH2)2 |
Appearance | White prilled crystal |
Molecular weight | 60.055 |
Density | 1.32 g/m3 |
Property | It is soluble in water and alcohol. Its water solubility is faintly alkaline. It decomposes when heated over fusing point. Under high temperature, it can undergo a condensation reaction and form biuret, triuret and polyhydrocyanic acid. |
2.Specification
Executive Standard:GB/T 2440-2017
Name | Sulfur Coated Urea | Class | AAA | ||
Mark | / | Department | Quality Control Department | ||
Sample Base | 200 MT | Sample Size | 500g | ||
Batch No | 2019080510 | Sampling Personnel | Bai Jinsheng | ||
Sampling Date | 5th Aug 2019 | Test Date | 5th Aug 2019 | ||
Inspection basis | GB29401-2012 Sulfur Coated Urea(SCU) | ||||
No | Items | Standard | Test Results | ||
1 | Nitrogen % | ≥35.0 | 35.6 | ||
2 | Initial Release of Nutrient % | ≤15.0 | 5.2 | ||
3 | Seven Days Dissolution Rate % | ≤30.0 | 15.6 | ||
4 | Moisture % | ≤1.0 | 0.53 | ||
5 | Biuret % | ≤1.2 | 0.27 | ||
6 | Sulfur % | ≥15.0 | 18.4 | ||
7 | Size (2.00-4.75mm) % | ≥90.0 | 96 | ||
Test Result | Product Qualified. |
3.Uses
Urea is a high concentration of nitrogen fertilizer, is a neutral organic fertilizer, also can be used in the production of a variety of compound fertilizer. In industry, for steel, stainless steel chemical polishing has whitening effect, used as a corrosion inhibitor in the metal pickling, also used in the preparation of the palladium activation fluid..
4.Packing and Transport
50kg ,500kg,1000kg PP bag or pallet available ,Stored in cool, dry and draughty storehouse. Kept away form fire, heat source, moisture. Avoid packing damage. when necessary should be placing the waterproof canvas