Urea, Carbamide

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Formula: CH₄N₂O 

CAS No:  57-13-6 

Other Names: Carbamide, carbonyl diamide, carbonyldiamine

Appearance:  White solid

Density:  1.32 g/cm³

Molar Mass:  60.06 g mol⁻¹

Melting point:  132.7–135 °C

Urea serves an important role in the metabolism of nitrogen-containing compounds by animals and is the main nitrogen-containing substance in the urine of mammals. Being solid, colourless, odorless (although the ammonia which it gives off in the presence of water, including water vapor in the air, has a strong odour), neither acidic or alkaline, highly soluble in water, and relatively non-toxic, urea is widely used in fertilisers as a convenient source of nitrogen. 

USES OF UREA / CARBAMIDE

• As a fertiliser in agriculture
• As a foliar spray for plants ( normally 0.5%-2% active)
• In the manufacture of plastics like urea-formaldehyde resins.
• In the manufacture of adhesives.
• in the manufacture of industrial feedstock.
• Urea solutions are used to remove pollutants from diesel engines.
• Used in dermatological products to rehydrate the skin. Often found in cosmetics, hair conditioners etc.
  
• As a de-icer (ice melt) for use on paths and roads..
• A flavour enhancing additive for cigarettes.
• A main ingredient in hair removers.
• Used in ready-to-use cold compresses in first aid.
• A flame proofing agent used in dry chemical fire extinguishers.
• An ingredient in many tooth whitening products.
• An ingredient in soaps and detergents.
• Along withammonium phosphate as a yeast nutrient, for fermentation of sugars to ethanol.
• As a solubility-enhancing and moisture-retaining additive to dye baths for textile dyeing or printing.

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