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Sodium Percarbonate

Other Names

  • Sodium Carbonate Peroxide

  • Solid Hydrogen Peroxide

  • Oxygen Bleach

CAS Number: 15630-89-4

Chemical Formula: 2Na₂CO₃·3H₂O₂ (commonly represented as Na₂CO₃·1.5H₂O₂)

Molecular Weight: 157.01 g/mol

📘 1. Definition

Sodium Percarbonate is a white, crystalline, water-soluble powder that releases hydrogen peroxide and soda ash upon dissolution in water. It is a strong oxidizing agent and widely used as an eco-friendly bleaching agent, cleaning agent, and disinfectant. It is safer and easier to handle than concentrated liquid hydrogen peroxide because it is solid and stable at room temperature.

🧪 2. Physical & Chemical Properties

Property Value
Chemical Formula Na₂CO₃·1.5H₂O₂
Molecular Weight 157.01 g/mol
Appearance White crystalline powder
Odor Slight chlorine-like (from decomposition)
Solubility Soluble in water (~21 g/100 mL at 20 °C)
Density ~2.1 g/cm³
Melting Point Decomposes before melting (~60–80 °C)
Stability Stable when dry; decomposes in moisture and heat to release O₂
Oxidizing Power Strong oxidizer, releases hydrogen peroxide in water

🧰 3. Applications / Uses

Industry Applications
Laundry & Detergents Oxygen bleach for clothes, eco-friendly stain removal
Cleaning Products Surface cleaners, degreasers, and household bleaching agents
Water Treatment Disinfectant and oxidizer in water treatment
Textile & Paper Bleaching agent for fabrics and pulp
Food Industry Bleaching agent for flour (limited use)
Industrial Cleaning Metal cleaning, sanitization, and bleaching
Environmental / Eco-friendly Products Oxygen-based cleaning alternatives to chlorine bleaches

  • Releases active oxygen slowly in water, making it safe for consumer products.

  • Preferred in eco-friendly formulations because it decomposes into water, oxygen, and soda ash.

⚠️ 4. Safety & Handling

Hazard Details
Oxidizer Strong oxidizing agent; can intensify fires if in contact with flammable materials
Health Hazards Irritant to eyes, skin, and respiratory system
PPE Gloves, goggles, protective clothing, and dust mask recommended
Storage Store in a cool, dry place, away from organic materials, acids, and heat
Handling Avoid dust generation; avoid mixing with incompatible chemicals

📌 5. Summary

Sodium Percarbonate is a solid oxygen-based bleach and oxidizer widely used in detergents, cleaning products, textiles, paper, water treatment, and eco-friendly applications. It is stable, safe to handle in solid form, and environmentally friendly because it decomposes into water, oxygen, and soda ash. Proper PPE and storage precautions are essential due to its oxidizing nature.

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