Urea

  • CAS No.: 57-13-6
  • Molecular Formula:   CH4N2O or CO(NH2)2
  • Purity: 46%
  • HS code: 3102100090
  • Appearance: Granular or crystallized, without mechanical impurities.
Uses
  1. Fertilizers
  2. Chemical Industry:
    • Resins: Key raw material for urea-formaldehyde (UF) and melamine-urea-formaldehyde (MUF) resins (used in plywood, particleboard, MDF, adhesives, coatings, textiles).
    • AdBlue/DEF (Diesel Exhaust Fluid): Aqueous urea solution (32.5%) used in Selective Catalytic Reduction (SCR) systems to reduce NOâ‚“ emissions from diesel engines (cars, trucks, ships, power plants). 
    • Feedstock: For melamine, barbiturates, hydrazine, some plastics, and flame retardants.
  3. Cosmetics & Skincare: Moisturizing agent (keratolytic properties) in lotions, creams, and dermatological treatments (e.g., for eczema, psoriasis).
  4. Laboratory & Medical: Denaturing agent for proteins, osmotic diuretic (historically), stabilizer in vaccines.
UN Number: UN 3077 Hazard Class： 9