Urea
CO(NH₂)₂CAS Number: 57-13-6
High-purity urea (carbamide) in prilled and granular form. The world's most widely used solid nitrogen fertiliser at 46% N content. Also used in AdBlue/DEF formulations for diesel emission control, urea-formaldehyde resins, and pharmaceutical manufacturing.
Specifications
| Chemical Formula | CO(NH₂)₂ |
| Country of Origin | Nigeria |
| Nitrogen Content | ≥ 46% N |
| Biuret | ≤ 1.0% |
| Moisture | ≤ 0.5% |
| Form | Prilled / Granular |
| Appearance | White crystalline solid |
| Solubility in Water | Highly soluble (1,080 g/L at 20°C) |
| Melting Point | 132–135°C |
Packaging Options
- 50kg bags
- 1-tonne bulk bags
- Bulk
Available Incoterms
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What is it used for?
Applications & Reactions
How Urea (CO(NH₂)₂) is used across industries, with the key chemistry explained simply.
Nitrogen Fertiliser
Hydrolysed in soil by the enzyme urease to release ammonium carbonate, providing readily available nitrogen to crops. The most concentrated solid nitrogen fertiliser (46% N).
Urease hydrolysis in soil
CO(NH₂)₂ + H₂O → 2NH₃ + CO₂
AdBlue / Diesel Exhaust Fluid (DEF)
32.5% aqueous urea solution injected into diesel exhaust to reduce NOₓ emissions via Selective Catalytic Reduction (SCR). Required by Euro IV–VI and EPA Tier 4 vehicles.
SCR NOₓ reduction
CO(NH₂)₂ → NH₃ → reduces NOₓ to N₂ + H₂O
Urea-Formaldehyde Resins
Reacts with formaldehyde under acid catalysis to produce thermosetting resins widely used as adhesives in plywood, chipboard, MDF, and furniture manufacturing.
Animal Feed Supplement
Non-protein nitrogen source added to ruminant feed. Rumen bacteria convert urea to ammonia and then to amino acids, reducing dependence on costly protein meal.