Urea ( carbamide , Carbonyl diamide ) - 500g

Urea (Carbamide, Carbonyl Diamide)
CAS Number: 57-13-6
Sum Formula: CH₄N₂O
Molar Mass: 60.06 g/mol
Appearance: White crystalline solid

Urea is a simple organic compound composed of carbon, nitrogen, oxygen, and hydrogen. It is highly soluble in water and widely used in agriculture, chemical industries, and laboratories. Due to its high nitrogen content, it plays a crucial role in various synthetic and industrial processes.

Chemical and Physical Properties

Density: 1.32 g/cm³
Melting Point: 133–135°C
Boiling Point: Decomposes before boiling
Solubility in Water: Highly soluble (108 g/100 mL at 20°C)
Solubility in Other Solvents: Soluble in ethanol and methanol; slightly soluble in ether and benzene
Odor: Odorless

Applications

Fertilizers: Used as a major nitrogen source in agricultural formulations.

Chemical Industry: Serves as a raw material in the production of urea-formaldehyde resins, adhesives, and plastics.

Laboratory Reagent: Applied in protein denaturation, buffer preparation, and various organic synthesis processes.

Surface Treatments: Utilized in metal finishing, anti-caking agents, and flame retardant formulations.

Safety

Signal Word: None (non-hazardous under normal conditions)

Hazard Statements:
No major hazards identified under standard use.

Precautionary Statements:
P264: Wash hands thoroughly after handling
P270: Do not eat, drink, or smoke when using this product
P280: Wear protective gloves and eye protection when handling large quantities
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

First Aid Measures

Eye Contact: Rinse with water for several minutes. Seek medical attention if irritation occurs.
Skin Contact: Wash thoroughly with soap and water.
Inhalation: Move to fresh air. If breathing difficulty occurs, seek medical help.
Ingestion: Rinse mouth with water. If large quantities are ingested, seek medical attention.

Handling and Storage

Storage Conditions: Store in a tightly sealed container in a cool, dry, and well-ventilated area. Protect from moisture.
Handling Precautions: Avoid contact with eyes and skin. Use adequate ventilation in enclosed spaces.

Note: Although urea is considered low in toxicity, prolonged or repeated exposure to high concentrations (particularly in dust form) may cause mild irritation. Always consult the Safety Data Sheet (SDS) for detailed guidance.