Sodium Tripolyphosphate
Sodium Tripolyphosphate is an industrial-grade chemical with a purity of ≥ 94%. It is commonly used in various applications including paints and coatings, providing essential properties for enhanced performance.
Chemical Properties

Sodium Tripolyphosphate
Brand: Kivi Chemicals·Manufactured by: Kivi Chemicals
Sodium Tripolyphosphate is an industrial-grade chemical with a purity of ≥ 94%. It is commonly used in various applications including paints and coatings, providing essential properties for enhanced performance.
Product Introduction
Sodium Tripolyphosphate (STPP) is a versatile industrial-grade chemical widely utilized in the paints and coatings industry. With a purity of ≥ 94%, this compound plays a crucial role in enhancing the performance of various formulations. STPP serves as a key ingredient in paint formulations, contributing to improved adhesion, stability, and overall durability. In East Africa, where the demand for high-quality coatings is on the rise, Kivi Chemicals supplies Sodium Tripolyphosphate to meet the diverse needs of manufacturers and industrial users. Its applications extend beyond paints to include cleaning products and ceramics, making it a valuable chemical across multiple sectors.
Detailed Product Overview
Sodium Tripolyphosphate is a sodium salt of triphosphoric acid, characterized by its white crystalline powder form. It has a molecular weight of 367.86 g/mol and is soluble in water, which makes it an effective component in various aqueous formulations. In addition to its primary use in paints and coatings, STPP is valued for its ability to act as a dispersing agent, preventing the settling of pigments and fillers in paint mixtures. Its unique properties allow it to enhance the stability and shelf-life of coatings, ensuring consistent performance during application. Kivi Chemicals provides Sodium Tripolyphosphate in an industrial grade, suitable for general applications including coatings and cleaning products. The chemical's bulk density is ≥ 0.8 g/cm³, and it has a melting point of 620 °C, making it suitable for high-temperature applications. The typical particle size is designed to ensure optimal performance in formulations, with 100% passing through a 100 mesh sieve. This makes it easy to incorporate into various industrial processes, ensuring manufacturers can achieve the desired consistency and quality in their products.
Applications & Uses
Paint Formulations
Sodium Tripolyphosphate is utilized in paint formulations to enhance adhesion and stability. It helps to keep pigments suspended, preventing sedimentation and ensuring uniform color distribution.
Coating Additives
In coatings, STPP serves as an effective additive that improves the durability and weather resistance of the final product. It contributes to the overall performance and longevity of coatings applied in various environments.
Cleaning Products
Sodium Tripolyphosphate is also found in cleaning products, where it acts as a water softener and a dispersing agent, enhancing the effectiveness of detergents and cleaners.
Ceramics and Glass
In the ceramics and glass industry, STPP is used as a fluxing agent, lowering the melting point of raw materials and improving the workability of ceramic products.
Benefits & Advantages
Sodium Tripolyphosphate offers numerous benefits for buyers in East Africa's industrial sector. Its ability to enhance the stability and performance of paints and coatings makes it an essential ingredient for manufacturers looking to produce high-quality products. By improving adhesion and preventing sedimentation, STPP ensures that paints maintain their color and texture over time, reducing the need for frequent reapplication. Additionally, its role as a dispersant allows for better mixing of ingredients, leading to more efficient production processes and cost savings. Kivi Chemicals supplies Sodium Tripolyphosphate in a convenient 25 kg polypropylene bag, making it easy for businesses to manage inventory and supply needs. The chemical's compliance with relevant industrial standards further assures buyers of its quality and reliability, making it a preferred choice in the competitive East African market.
Packaging & Bulk Supply
Kivi Chemicals offers Sodium Tripolyphosphate in 25 kg polypropylene bags, designed for easy handling and storage. This packaging format is suitable for both small and large-scale operations, allowing manufacturers to efficiently manage their supply chain. Bulk supply options may also be available upon request, ensuring that businesses can meet their production demands without disruption.
Storage & Handling
Sodium Tripolyphosphate should be stored in a cool, dry place, away from moisture and direct sunlight. It is important to keep the packaging tightly sealed to prevent exposure to humidity, which can affect the quality of the chemical. When handling STPP, it is advisable to use appropriate personal protective equipment (PPE) such as gloves and safety goggles to minimize the risk of irritation. Ensure that the storage area is well-ventilated to avoid the accumulation of dust. In case of spillage, clean up immediately and dispose of the material in accordance with local regulations.
External References & Further Reading
Technical Specifications
| Purity | ≥ 94% |
| Density | 2.50 g/cm³ |
| Viscosity | N/A |
| Solubility | Soluble in water |
| Flash Point | N/A |
| Bulk Density | ≥ 0.8 g/cm³ |
| Conductivity | N/A |
| Melting Point | 620 °C |
| Particle Size | 100% pass through 100 mesh |
| Moisture Content | ≤ 0.5% |
| Chemical Stability | Stable under normal conditions |
| pH of Solution (1% soln) | 9.0 - 10.5 |
Safety & Handling Guidelines
Not classified as hazardous under GHS.
Sodium Tripolyphosphate is not classified as hazardous under GHS, making it a safe option for industrial applications. However, it is recommended to handle the chemical with care. Use gloves and safety goggles to protect against potential irritation. In case of contact with skin or eyes, rinse immediately with plenty of water. If ingested, seek medical attention. Always consult the safety data sheet (SDS) for detailed information on handling and first-aid measures.
Regulatory Compliance & Standards
Frequently Asked Questions
What is Sodium Tripolyphosphate used for?
Sodium Tripolyphosphate is primarily used in paint formulations, coating additives, cleaning products, and ceramics, enhancing performance and stability.
Is Sodium Tripolyphosphate safe to handle?
Yes, STPP is not classified as hazardous under GHS; however, it's advisable to use gloves and goggles during handling.
How should Sodium Tripolyphosphate be stored?
Store STPP in a cool, dry place, away from moisture and sunlight, and keep the packaging tightly sealed.
What is the typical purity of Sodium Tripolyphosphate?
Kivi Chemicals supplies Sodium Tripolyphosphate with a purity of ≥ 94%.
What packaging options are available for Sodium Tripolyphosphate?
Sodium Tripolyphosphate is available in 25 kg polypropylene bags.
Can Sodium Tripolyphosphate be used in food applications?
Sodium Tripolyphosphate is generally used in industrial applications; its suitability for food applications should be verified with relevant standards.
What industries benefit from Sodium Tripolyphosphate?
Industries such as paints and coatings, cleaning products, ceramics, and glass manufacturing benefit from the use of STPP.
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