Urea

Product Introduction

Urea (CO(NH₂)₂), also known as carbamide, is a key organic nitrogen compound:

• Chemical Formula: CO(NH₂)₂
• Molecular Weight: 60.06
• CAS Number: 57-13-6
• Appearance: White crystals or powder
• Solubility: 1080 g/L in water (20 ℃); soluble in ethanol; sparingly in ether & chloroform
• Stability: Chemically stable; decomposes to NH₃ & CO₂ at high temperatures
• pH Value: Neutral (~7.2 aqueous)
• Density: 1.335 g/cm³
• Melting Point: 132.7 ℃
• Boiling Point: 160 ℃ (decomp)

Application Fields

• Agricultural: High-concentration N fertilizer; compound fertilizers; foliar spray; rice seed production; urea iron fertilizer
• Industrial: Urea-formaldehyde & melamine resins; antifreeze in automotive; corrosion inhibitor in metal processing; dewaxing in petroleum; dye solvent & humectant in textiles; cosmetic moisturizer
• Pharmaceutical: Topical dry skin treatment; keratolytic; drug delivery stabilizer

Packaging Requirements

• Material: Moisture-proof PE/PP or woven bags
• Sealing: Airtight to prevent moisture
• Labeling: Product name, composition, batch, dates, instructions
• Specs: Solid: 40–50 kg/bag (PE film + woven); Bulk: 500 kg, 1000 kg bags

Storage and Transportation

Storage:
• Dry, ventilated warehouse; avoid moisture & direct sunlight; inspect for caking

Transportation:
• Inspect before shipping; dedicated vehicles; stable transport; PPE required