Sodium Sulfate
Sodium Sulfate is a versatile chemical used primarily in the paper and pulp industry. It serves as a filler and helps in the production of high-quality paper products.
Chemical Properties

Sodium Sulfate
Brand: Kivi Chemicals·Manufactured by: Kivi Chemicals
Sodium Sulfate is a versatile chemical used primarily in the paper and pulp industry. It serves as a filler and helps in the production of high-quality paper products.
Product Introduction
Sodium Sulfate is an essential chemical in the paper and pulp industry, recognized for its role as a filler and processing aid. This white crystalline solid is not only crucial for enhancing the quality of paper products but also plays a significant role in the efficiency of the pulping process. Kivi Chemicals supplies Sodium Sulfate to manufacturers across Kenya, Uganda, Tanzania, and the broader East African region, ensuring that businesses have access to high-quality materials that meet their production needs. With its excellent solubility and thermal stability, this compound is a preferred choice in various industrial applications, particularly in the production of high-grade paper and pulp.
Detailed Product Overview
Sodium Sulfate (Na2SO4) is a sodium salt of sulfuric acid, widely utilized in the paper and pulp industry due to its beneficial properties. This industrial-grade chemical acts primarily as a filler, enhancing the bulk and texture of paper products while aiding in the pulping process. The white crystalline solid is soluble in water, making it easy to incorporate into various formulations. With a molecular weight of 142.04 g/mol, Sodium Sulfate is stable under normal conditions and exhibits good thermal stability, with a melting point of 884 °C. In addition to its role in paper production, Sodium Sulfate is also used in detergent manufacturing, glass production, and textile processing, showcasing its versatility across multiple sectors. Kivi Chemicals ensures that its Sodium Sulfate meets stringent industrial standards, providing a reliable source for companies looking to enhance their production capabilities.
Applications & Uses
Paper Production
Sodium Sulfate is widely used in the paper manufacturing process as a filler, enhancing the physical properties of paper. It helps improve the brightness and opacity of paper products, making it essential for producing high-quality printing and writing papers.
Pulp Processing
In pulp processing, Sodium Sulfate acts as a chemical aid that enhances the efficiency of the pulping process. It helps in the removal of lignin from wood fibers, resulting in cleaner and more refined pulp.
Detergent Manufacturing
Sodium Sulfate is a common ingredient in detergent formulations, where it serves as a bulking agent. Its solubility in water ensures that it integrates well into liquid and powder detergents, improving their overall effectiveness.
Glass Production
In the glass industry, Sodium Sulfate is used as a fluxing agent, lowering the melting point of raw materials. This property facilitates the production of glass with improved clarity and durability.
Textile Processing
Sodium Sulfate is utilized in textile processing for dyeing and finishing fabrics. It helps in the fixation of dyes, ensuring vibrant colors and improved fabric quality.
Benefits & Advantages
Sodium Sulfate offers numerous benefits for manufacturers in the paper and pulp industry. Its role as a filler not only enhances the quality of paper products but also optimizes production efficiency. By improving the bulk and texture of paper, it allows for better performance in printing and writing applications. Additionally, Sodium Sulfate's excellent solubility ensures seamless integration into various formulations, whether in pulp processing or detergent manufacturing. The stability and thermal resilience of this compound make it a reliable choice for industrial processes, reducing the risk of production interruptions. By sourcing Sodium Sulfate from Kivi Chemicals, buyers can be assured of high purity and adherence to regional industrial standards, ultimately leading to cost-effective and high-quality production outcomes.
Packaging & Bulk Supply
Kivi Chemicals supplies Sodium Sulfate in convenient 25 kg polypropylene bags, ideal for both small-scale and large-scale operations. This packaging format ensures easy handling and storage, allowing manufacturers to efficiently manage their inventory. Bulk supply options are also available for businesses with higher demand, providing flexibility in sourcing and optimizing procurement costs.
Storage & Handling
Sodium Sulfate should be stored in a cool, dry place away from direct sunlight and moisture to maintain its quality and effectiveness. It is advisable to keep the chemical in its original packaging until use to prevent contamination. When handling Sodium Sulfate, appropriate personal protective equipment (PPE) such as gloves and safety goggles should be worn to minimize exposure. Ensure that the storage area is well-ventilated, and avoid mixing it with incompatible substances to prevent any adverse reactions.
External References & Further Reading
Technical Specifications
| Density | 2.664 g/cm³ |
| Viscosity | N/A |
| Appearance | White crystalline solid |
| Solubility | Soluble in water |
| Flash Point | N/A |
| Bulk Density | 0.8 g/cm³ |
| Conductivity | N/A |
| Melting Point | 884 °C |
| pH of Solution | Neutral (approx. 7) |
| Moisture Content | 0.5% Max |
| Refractive Index | N/A |
| Thermal Stability | Stable under normal conditions |
Safety & Handling Guidelines
Not classified as hazardous under GHS.
Sodium Sulfate is not classified as hazardous under GHS, making it a relatively safe chemical to handle in industrial settings. However, standard precautions should still be observed. Personal protective equipment (PPE) such as gloves and safety goggles is recommended while handling the substance. In case of contact with skin or eyes, rinse thoroughly with water. If ingested, seek medical attention immediately. Ensure that the chemical is stored away from incompatible materials to maintain safety in the workplace.
Regulatory Compliance & Standards
Frequently Asked Questions
What is Sodium Sulfate used for?
Sodium Sulfate is primarily used in the paper and pulp industry as a filler, enhancing paper quality and aiding in the pulping process. It is also used in detergent manufacturing and other industrial applications.
Is Sodium Sulfate safe to handle?
Yes, Sodium Sulfate is not classified as hazardous under GHS. However, standard safety precautions should be followed, including the use of personal protective equipment.
How should Sodium Sulfate be stored?
Sodium Sulfate should be stored in a cool, dry place, away from moisture and direct sunlight, preferably in its original packaging.
What industries use Sodium Sulfate?
Sodium Sulfate is used in various industries, including paper and pulp, detergent manufacturing, glass production, and textile processing.
What are the benefits of using Sodium Sulfate in paper production?
Sodium Sulfate enhances the bulk, texture, and brightness of paper products, improving their overall quality and performance.
Can Sodium Sulfate be used in food applications?
Sodium Sulfate is primarily used in industrial applications and is not typically used in food products.
What is the purity of the Sodium Sulfate supplied by Kivi Chemicals?
Kivi Chemicals supplies Sodium Sulfate with a minimum purity of 98.0%, ensuring high quality for industrial applications.
What packaging options are available for Sodium Sulfate?
Sodium Sulfate is available in 25 kg polypropylene bags, with bulk supply options for larger orders.
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