Industrial Grade CAS 10213-79-3 Sodium Metasilicate Anhydrous for Water Treatment

• Customization: Available
• CAS No.: 10213-79-3
• Formula: Na2sio3*5H2O
• Model NO.: CHICA-Sodium Metasilicate Pentahydrate
• EINECS: 600-279-4
• Certification: ISO
• Purity: 90%~99%
• Type: Sodium Metasilicate Pentahydrate
• Appearance: Powder
• Grade Standard: Industrial Grade
• Storage: Cool Dried Storage
• Classification: Silicate
• Molecular Weight: 212.14 G/Mol
• Melting Point: 1088°c
• Density: 2.61
• Refractive Index: 1.52
• Storage Conditions: Store at Room Temperature
• pH Value: 12, 5 (in Aqueous Solution: 10 G /L, 20 °c)
• Water Solubility: Soluble in Cold Water.
• Na2o Content: 28.5% – 30.5%
• Sio2 Content: 27.5% – 29.0%
• Sample: Available
• Whiteness: 80% Min
• Application 1: Detergents & Cleaners & Water Treatment
• Application 2: Textile & Dyeing Industry & Ceramics & Constructio
• Transport Package: Bag
• Specification: 25kg
• Trademark: CHICA
• Origin: China
• HS Code: 28391100
• Production Capacity: 50000mts/Year

Product Description

Product Name: Sodium Metasilicate Pentahydrate
Chemical Formula: Na2SiO3·5H2O
Molecular Weight: 212.14 g/mol
CAS Number: 10213-79-3
Appearance: White crystalline powder
Purity: ≥ 99% (on dry basis)
Grade: Industrial
Packaging: 25kg or 50kg woven bags with inner liner (customizable)
Shelf Life: 24 months when stored in a cool, dry place2

Typical Specifications

Parameter	Specification
Na2O Content	28.5% - 30.5%
SiO2 Content	27.5% - 29.0%
pH (1% solution)	11.8 - 12.5
Bulk Density	0.6 - 0.9 g/cm³
Appearance	White crystalline powder
Water Insoluble Matter	≤ 0.05%

Key Properties

• Highly soluble in water

• Strong alkaline solution (pH ~12 in 1% solution)

• Corrosion inhibitor

• Binder and dispersing agent
   

Applications

• Detergents & Cleaners: Acts as a builder and pH regulator in industrial detergents, laundry powders, and dishwashing formulations

• Water Treatment: Prevents scale formation and corrosion in boilers and cooling towers

• Textile & Dyeing Industry: Used for scouring and bleaching

• Ceramics & Construction: As a deflocculant and adhesive in clay processing and cement formulations

• Pulp & Paper: For deinking and surface treatment

Storage & Handling

• Store in a dry, ventilated area, away from moisture

• Avoid contact with eyes and skin; use personal protective equipment (PPE)

• Keep container tightly closed to prevent caking or degradation