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Sodium Perborate

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Sodium Perborate is a white crystalline oxidizing compound with the chemical formula NaBO₃·nH₂O (typically tetrahydrate or monohydrate). This versatile chemical serves as a stable, eco-friendly bleaching agent and disinfectant, widely used in detergents, cleaning products, and personal care formulations. Its controlled oxygen release makes it valuable for gentle stain removal and antimicrobial applications while being more environmentally favorable than chlorine-based alternatives.

Description

Sodium Perborate

Primary Uses

  1. Detergents & Cleaning Products
  • Active oxygen source in laundry detergents and stain removers
  • Bleaches and disinfects fabrics without damaging fibers
  1. Dentistry & Oral Care
  • Whitening agent in tooth bleaching products
  • Antimicrobial component in dental cleaning solutions
  1. Textile Industry
  • Bleaching natural fibers (cotton, linen) before dyeing
  • Destroys color residues in textile recycling
  1. Disinfection & Sanitization
  • Antimicrobial agent in medical equipment cleaners
  • Water treatment for swimming pools and spas
  1. Cosmetic Formulations
  • Gentle bleaching agent in hair lighteners
  • Preservative in personal care products

Secondary Uses

  1. Organic Synthesis
  • Mild oxidizing agent for sensitive reactions
  • Epoxide formation in pharmaceutical intermediates
  1. Pulp & Paper
  • Brightening agent for recycled paper products
  • Delignification in specialty paper production
  1. Agriculture
  • Soil treatment for fungal control
  • Seed disinfection before planting
  1. Laboratory Applications
  • Analytical reagent for peroxide determinations
  • Controlled oxygen source in experiments
  1. Art Conservation
  • Gentle bleaching of aged paper and textiles
  • Mold remediation in artifact preservation
KEY PRODUCT FEATURES

1. Basic Identification Attributes

  • Chemical Name (IUPAC): Sodium peroxoborate
  • Common/Trade Name: PBS, Perboric acid sodium salt
  • CAS Number: 7632-04-4 (tetrahydrate)
  • HS Code: 2840.30.00
  • Synonyms: Sodium peroxyborate, Perborax

2. Physical & Chemical Properties

  • Physical State: White crystalline powder
  • Color & Odor: White; odorless
  • Solubility: 3.7 g/100 mL water (20°C)
  • Density: 1.73 g/cm³ (tetrahydrate)
  • Active Oxygen: ≥10% available

3. Safety & Hazard Attributes

  • GHS Classification: Oxidizing Solid (Category 3)
  • Toxicity: LD₅₀ >2,000 mg/kg (oral, rat)
  • Exposure Limits: Not established

4. Storage & Handling Attributes

  • Storage Conditions: Cool, dry, away from organic materials
  • Container Type: 25kg PE-lined fiber drums
  • Shelf Life: 12-18 months in sealed containers
  • Handling Precautions: Avoid moisture and heat

5. Regulatory & Compliance Attributes

  • REACH registered
  • Approved for detergent use under EU Detergent Regulations
  • Meets FDA requirements for oral care products

6. Environmental & Health Impact

  • Biodegradability: Fully decomposes to borates
  • Ecotoxicity: LC₅₀ >100 mg/L (fish)
  • Bioaccumulation: None
SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

  • PPE Required: Gloves, safety glasses
  • Handling Guidelines: Prevent dust formation
  • Storage Measures: Separate from acids and combustibles

First Aid Measures

  • Inhalation: Move to fresh air
  • Skin Contact: Wash with soap/water
  • Eye Contact: Rinse 15 minutes with water
  • Ingestion: Drink water, seek medical advice

Firefighting Measures

  • Fire Hazards: Supports combustion
  • Extinguishing Media: Water spray, sand
  • Hazardous Combustion Products: Boron oxides