potassium tetroxalate dihydrate cas 6100-20-5

Product Name: Potassium tetroxalate dihydrate
CAS No: 6100-20-5
Molecular Formula: KH3(C2O4)2. 2H2O
Molecular Weight: 254.19
Appearance: Colorless transparent block
Purity: 98%

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Potassium Tetroxalate Dihydrate (CAS 6100-20-5): Comprehensive Guide

Table of Contents

1. Product Overview & Specifications

Parameter Value
CAS Number 6100-20-5
Chemical Formula KHC2O4·H2C2O4·2H2O
Molecular Weight 254.19 g/mol
Appearance Colorless crystalline powder
Solubility 580 g/L in water (20°C)
pH (1% solution) 1.5-2.5
Density 1.836 g/cm3

2. Key Applications & Industry Uses

Core Functional Properties:

  • Metal surface treatment: Removes oxides from copper and iron alloys
  • Textile processing: pH regulator in dye fixation processes
  • Analytical chemistry: Standard reagent for permanganometric titrations
  • Wood restoration: Chelating agent for iron stain removal

3. Usage Scenarios & Best Practices

Application Protocols:

  • Metal Cleaning: 5-10% aqueous solution at 40-60°C for 15-30 minutes immersion
  • Textile Mordant: 0.5-2% concentration in pre-treatment baths
  • Analytical Standard: 0.1N solution preparation with controlled temperature

4. Real-World Case Studies

Case 1: Automotive Parts Manufacturer (Germany)

  • Challenge: Residual iron oxide in precision components
  • Solution: 8% potassium tetroxalate dip process
  • Result: 72% reduction in post-machining cleaning time

Case 2: Textile Mill (India)

  • Challenge: Inconsistent dye uptake on cotton blends
  • Solution: 1.2% tetroxalate pre-treatment bath
  • Result: 18% improvement in color fastness ratings

5. Technical Comparison with Alternatives

Parameter Potassium Tetroxalate Ammonium Oxalate Sodium Oxalate
Solubility (g/100ml) 58.0 4.5 3.7
pH Range 1.5-2.5 4.5-5.5 6.8-7.2
Metal Chelation Capacity High Medium Low

6. Request Customized Solutions

Contact our technical team for application-specific formulations:

Request free sample kits or technical documentation:

  • Custom concentration preparations
  • Industry-specific formulation guidance
  • Material compatibility testing reports
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