sodium chlorite cas 7758-19-2

1. Product Overview & Technical Specifications

Sodium Chlorite (CAS 7758-19-2) is an inorganic compound with the molecular formula NaClO₂ and a molecular weight of 90.44 g/mol. This white crystalline solid exhibits strong oxidizing properties and is widely used across multiple industries.

Key Parameters:

Comparative Analysis:

2. Key Applications & Industrial Uses

Primary Applications:

• Pulp & Paper: High-efficiency bleaching of wood pulp with minimal fiber degradation
• Textile Processing: Safe decolorization of cotton, linen, and synthetic fibers
• Water Treatment: Advanced disinfection with 99.9% microbial reduction in municipal systems
• Food Industry: FDA-approved for cherry, grape, and peach processing (125–250 ppm limit)
• Metal Surface Treatment: Oxide layer removal in aluminum and steel manufacturing

Technical Advantages:

• Superior brightness gain in paper pulps (ISO 80–92%)
• Non-chlorinated byproduct formation in water treatment
• Selective bleaching action preserving nutritional value in food applications

3. Operational Guidelines & Safety Protocols

Handling Requirements:

• Store in corrosion-resistant containers (HDPE or FRP recommended)
• Maintain ambient temperature below 30°C with <60% relative humidity
• Separate from acids, reducers, and organic materials (minimum 5m distance)

Emergency Procedures:

Regulatory Compliance:

• IARC Classification: Group 3 (Not classifiable as carcinogenic)
• UN Transport Code: 1496 (Class 5.1 Oxidizer)
• OSHA PEL: 0.1 mg/m³ (8-hour TWA)

4. Industry Case Studies

Case 1: Textile Manufacturing (Hubei Kenuos Chemical)

• Challenge: Color consistency in 10,000m²/day cotton fabric production
• Solution: 0.5% NaClO₂ solution at pH 3.5–4.0
• Outcome: 40% reduction in wastewater COD; Whitening Index improvement from 75 to 92

Case 2: Municipal Water Plant (Shandong Weijin Chemical)

• Challenge: Taste/odor control in 50,000 m³/day supply
• Solution: 0.8 ppm NaClO₂ with citric acid activation
• Outcome: 99.99% coliform reduction; THM formation below 10 ppb

5. Contact for Technical Consultation

For technical specifications, MSDS documentation, or customized formulation support:

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