Sodium Metasilicate Pentahydrate (Na₂SiO₃·5H₂O)

Product Overview

Sodium Metasilicate Pentahydrate is a high-purity inorganic chemical widely used in detergents, water treatment, ceramics, adhesives, and industrial cleaning applications. Known for its strong alkalinity, corrosion inhibition, and dispersing properties, it serves as an effective builder in detergents and industrial cleaning solutions.

Supplied as white crystalline granules or powder, Sodium Metasilicate Pentahydrate is highly soluble in water and provides consistent performance in chemical and industrial applications.

Key Product Identification

• Product Name: Sodium Metasilicate Pentahydrate

• Chemical Formula: Na₂SiO₃·5H₂O

• CAS Number: 10213-79-3

• Molecular Weight: 212.14 g/mol

• HS Code: 28352900

• Appearance: White crystalline granules or powder

• Odor: Odorless

• Solubility: Highly soluble in water

Chemical & Physical Properties

Manufacturing & Quality Control

Sodium Metasilicate Pentahydrate is produced by fusing high-purity silica with sodium carbonate under controlled conditions, followed by hydration and crystallization. Quality control ensures high purity, controlled particle size, and reliable alkalinity.

Quality assurance includes:

• Assay and silica content analysis

• Moisture and solubility testing

• Heavy metals and impurity control

• Batch traceability with COA

Available grades:

• Industrial Grade

• Detergent Grade

• Ceramic & Adhesive Grade

Applications of Sodium Metasilicate Pentahydrate

Detergents & Cleaning

• Builder and alkalinity source in laundry detergents

• Degreasing agent in industrial cleaning

• Enhances cleaning efficiency and water softening

Water Treatment

• Corrosion inhibition in boiler water

• pH adjustment and scale prevention

Ceramics & Adhesives

• Binder in ceramic manufacturing

• Component in adhesives and cements

• Enhances mechanical strength of ceramic products

Industrial Applications

• Used in paints, coatings, and pulp & paper industry

• Acts as a dispersing agent for pigments and fillers

Packaging & Storage

• Packaging Options:

• 25 kg woven bag with PE liner

• 500–1,000 kg jumbo bag

• Custom packaging available

• Storage Conditions:

• Store in a cool, dry, ventilated area

• Avoid contact with moisture and acids

• Keep containers tightly closed

• Shelf Life: 24 months under proper storage conditions

Safety & Handling

• Strong alkaline chemical; handle with care

• Avoid contact with skin and eyes

• Use gloves, goggles, and protective clothing

• Avoid inhalation of dust

• Refer to SDS / MSDS for detailed safety information

Regulatory & Compliance

Available documentation:

• COA (Certificate of Analysis)

• SDS / MSDS

• REACH compliance

• Export and customs documentation

Why Choose Our Sodium Metasilicate Pentahydrate?

• ✔ High purity and consistent alkalinity

• ✔ Suitable for detergents, ceramics, water treatment, and industrial applications

• ✔ Reliable supply and competitive pricing

• ✔ Strict quality control and traceable batches

• ✔ Professional technical support

Frequently Asked Questions (FAQ)

Q1: What is Sodium Metasilicate Pentahydrate used for?

It is used in detergents, water treatment, ceramics, adhesives, and industrial cleaning.

Q2: How soluble is it in water?

It is highly soluble, forming a strongly alkaline solution suitable for multiple applications.

Q3: How should it be stored?

Store in a dry, cool, ventilated area away from acids and moisture.

Q4: Is it safe to handle?

It is strongly alkaline; proper PPE is required to prevent skin and eye contact.