EDTA 4NA CAS 64-02-8 / 67401-50-7 / 13254-36-4 / 13235-36-4

Assay: ≥99.0%
Appearance: white crystal powder
Capacity: 15000MT/year
Packaging: 25kg bag
Sample: available

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EDTA Tetrasodium (EDTA-4Na) Comprehensive User Guide

1. Product Specifications & Comparative Analysis

Parameter EDTA-4Na (CAS 64-02-8) EDTA-4Na (CAS 13235-36-4) EDTA-4Na (CAS 67401-50-7)
Molecular Formula C10H12N2Na4O8 C10H16N2Na4O10 C10H12N2Na4O8
Molecular Weight 380.17 g/mol 416.20 g/mol 434.22 g/mol
Appearance White crystalline powder
Solubility Highly water-soluble (pH ~11.8 in 1% solution)
Key Differentiator Anhydrous form Tetrahydrate structure Enhanced thermal stability

2. Key Applications & Functional Properties

Core Functional Advantages:

  • Heavy metal chelation capacity (Stability constant log K = 18.3 for Ca2+)
  • pH buffering in alkaline environments (Effective range: pH 8-12)
  • Scale inhibition efficiency (>95% in hard water systems)

Industrial Implementations:

  • Water Treatment: Boiler descaling, cooling tower maintenance
  • Textile Processing: Dye fixation, metal ion control
  • Personal Care: Cosmetic preservation, shampoo clarity
  • Pulp & Paper: Peroxide stabilization, brightness control
  • Food Processing: Antioxidant synergist (regulated applications)

3. Industrial Use Cases

Case A: Textile Dyeing Optimization

Implementation of 0.5-1.2% EDTA-4Na in reactive dye baths achieves:

  • 25% reduction in dye aggregation
  • 40% improvement in color fastness
  • 15% decrease in water consumption

Case B: Industrial Cleaning Formulations

3-5% concentration in alkaline cleaners demonstrates:

  • 80% scale dissolution within 30 minutes
  • 60% reduction in surfactant dosage
  • Compliance with EPA wastewater regulations

4. Client Success Stories

Client 1: European Detergent Manufacturer

  • Challenge: Phosphate replacement in eco-detergents
  • Solution: 8% EDTA-4Na + zeolite matrix
  • Outcome: 30% improvement in cleaning efficiency

Client 2: Asian Petrochemical Plant

  • Challenge: Pipeline corrosion control
  • Solution: 500 ppm EDTA-4Na in cooling systems
  • Outcome: 90% reduction in iron deposition

5. Technical Inquiry & Support

Request customized technical specifications or application guidance:

Our chemists provide:

  • Formulation optimization services
  • Regulatory compliance analysis
  • Batch-specific technical data sheets

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