Sodium Metasilicate Pentahydrate (CAS 10213-79-3) Comprehensive Guide
Contents
- Product Overview & Specifications
- Key Industrial Applications
- Step-by-Step Usage Guide
- Industry Case Studies
- Contact for Technical Consultation
Product Overview & Specifications
Chemical Formula: Na2SiO3·5H2O
CAS Number: 10213-79-3
| Parameter | Industrial Grade | Food Grade | Reagent Grade |
|---|---|---|---|
| Purity | ≥98% | ≥99.5% | ≥99.9% |
| pH (1% Solution) | 12.4-12.6 | 12.4-12.6 | 12.4-12.6 |
| Bulk Density | 0.7-0.9 g/cm³ | 0.7-0.9 g/cm³ | 0.7-0.9 g/cm³ |
Key Industrial Applications
1. Detergent Manufacturing
Acts as alkaline buffer and corrosion inhibitor in heavy-duty cleaners, enhancing surfactant performance while protecting metal surfaces.
2. Ceramic Production
Essential flux agent in glaze formulations, reducing melting temperature by 50-70°C compared to traditional additives.
3. Water Treatment
Effective in boiler water treatment for pH stabilization and scale prevention at dosage rates of 5-15 ppm.
Step-by-Step Usage Guide
Industrial Cleaner Formulation
- Prepare 40-50°C water base
- Add 15-20% sodium metasilicate pentahydrate
- Mix with 10% surfactant blend
- Adjust pH to 12.5±0.2
Industry Case Studies
Case 1: Automotive Parts Cleaning Solution
Client: German auto manufacturer
Challenge: Remove machining oils without aluminum corrosion
Solution: 18% SMS formulation reduced cleaning time by 40% while maintaining surface integrity
Case 2: Food Processing Equipment Sanitization
Client: USDA-certified poultry plant
Result: 99.9% microbial reduction achieved with 12% food-grade solution at 65°C
Technical Consultation & Ordering
Contact our silicate specialists for formulation support:
Email: info@vivalr.com
Phone: (86) 15866781826
Available Services:
- Custom particle size optimization
- Regulatory compliance guidance
- Bulk shipping solutions



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