Potassium Sulfite (CAS 10117-38-1) User Guide
Table of Contents
- 1. Product Overview & Specifications
- 2. Key Applications & Industry Uses
- 3. Performance Comparison with Alternatives
- 4. Implementation Case Studies
- 5. Verified Customer Success Stories
- 6. Technical Support & Inquiry
1. Product Overview & Specifications
Chemical Formula: K2SO3
CAS Number: 10117-38-1
Molecular Weight: 158.26 g/mol
Appearance: White crystalline powder
Solubility: 120 g/100 mL (20°C water)
Density: 2.498 g/cm³
pH Range: 8.5-10.5 (1% solution)
| Parameter | Potassium Sulfite | Sodium Sulfite | Ammonium Sulfite |
|---|---|---|---|
| Oxidation Resistance | Excellent | Good | Moderate |
| Metal Compatibility | High | Medium | Low |
| pH Stability | 8.5-10.5 | 9.0-10.0 | 6.5-8.0 |
2. Key Applications & Industry Uses
Food Preservation
Prevents enzymatic browning in processed fruits (apples, potatoes) with 0.05-0.2% concentration.
Water Treatment
Removes excess chlorine in municipal water systems (dose: 1.34 mg per 1 mg Cl2).
Pharmaceuticals
Antioxidant in injectable medications requiring potassium-based formulations.
Photography
Developing solution stabilizer for archival-quality photo processing.
3. Performance Comparison with Alternatives
| Feature | K2SO3 | Na2SO3 | Advantage |
|---|---|---|---|
| Conductivity | 42 mS/cm | 38 mS/cm | Better for electroplating baths |
| Hyroscopicity | Low | High | Easier storage & handling |
4. Implementation Case Studies
Beverage Bottling Plant
Challenge: Maintain SO2 levels below 10 ppm in juice products
Solution: 0.15% potassium sulfite dip pretreatment
Result: 68% reduction in preservative use
Wastewater Facility
Challenge: Remove chlorine residuals after disinfection
Solution: Automated dosing system @ 2.8 mg/L
Result: Consistently <0.01 mg/L residual chlorine
5. Verified Customer Success Stories
GreenFresh Foods Co. (Spain)
“Switching to potassium sulfite reduced our sodium content by 92% in canned vegetables, meeting new EU nutritional guidelines.”
AquaPure Solutions (USA)
“Achieved 99.8% chlorine neutralization in 12MGD treatment plant with precise dosing control.”
PharmaNova Ltd. (India)
“Improved drug formulation stability from 12-month to 24-month shelf life in parenteral nutrition products.”
6. Technical Support & Inquiry
Contact our chemical engineers for application-specific solutions:
Email: info@vivalr.com
Phone: (86) 15866781826
Request free sample or MSDS:
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