Sodium Tripolyphosphate (STPP)
Sodium Tripolyphosphate is a technical grade chemical supplied by Metachem. It is commonly used in various industrial applications, particularly in detergents and food processing.
Chemical Properties

Sodium Tripolyphosphate (STPP)
Brand: Metachem
Sodium Tripolyphosphate is a technical grade chemical supplied by Metachem. It is commonly used in various industrial applications, particularly in detergents and food processing.
Product Introduction
Sodium Tripolyphosphate (STPP) is a versatile chemical compound known for its applications in the industrial sector. As a technical grade product from Metachem, this compound plays a crucial role in multiple industries, particularly in detergent formulations and food processing. In East Africa, where industries are rapidly evolving, the demand for reliable and effective chemical solutions like STPP is on the rise. Buyers sourcing from Kivi Chemicals can expect high-quality STPP that meets their operational needs, ensuring enhanced performance in their applications. The product is packaged in 50 kg bags, making it suitable for both small and large-scale operations.
Detailed Product Overview
Sodium Tripolyphosphate is a sodium salt of triphosphoric acid, widely recognized for its effectiveness as a builder in detergents. It enhances the cleaning power of surfactants, making it an essential ingredient in many cleaning products. This compound is also used in food processing as a preservative and emulsifier, contributing to improved texture and stability in processed foods. The technical grade of STPP ensures that it meets the necessary specifications for industrial applications, providing consistent performance and reliability. With a CAS number of 7758-29-4, it is recognized in international trade, making it accessible for buyers across Kenya, Uganda, Tanzania, and the wider East African region.
Applications & Uses
Detergent Formulations
Sodium Tripolyphosphate is widely used in the formulation of detergents, where it acts as a builder to enhance cleaning efficiency. It helps to soften water, allowing surfactants to function more effectively, resulting in superior stain removal and cleaning performance.
Food Processing
In the food industry, Sodium Tripolyphosphate is utilized as a food additive, serving as a preservative and emulsifier. It improves the texture of processed foods, helping to maintain moisture and prevent spoilage.
Water Treatment
Sodium Tripolyphosphate is employed in water treatment processes to prevent scale formation and corrosion in pipes and equipment. Its ability to sequester calcium and magnesium ions makes it valuable in maintaining water quality.
Ceramics and Glass Manufacturing
In the ceramics and glass industries, Sodium Tripolyphosphate is used as a fluxing agent. It lowers the melting point of raw materials, improving the efficiency of the production process and enhancing the quality of the final product.
Industries Served
Benefits & Advantages
Sodium Tripolyphosphate offers numerous benefits for industries in East Africa. Its effectiveness as a builder in detergents enhances cleaning performance, making it a cost-effective choice for manufacturers. In food processing, it improves product quality and extends shelf life, which is crucial for meeting consumer demands. Furthermore, STPP's role in water treatment helps to maintain equipment and infrastructure, reducing maintenance costs and downtime. As a supplier, Kivi Chemicals ensures that buyers receive high-quality STPP that meets their specific needs, contributing to operational efficiency and product reliability.
Packaging & Bulk Supply
Sodium Tripolyphosphate is available in 50 kg bags, providing flexibility for various industrial applications. This packaging format is ideal for both small-scale operations and larger manufacturing processes. Kivi Chemicals offers bulk supply options to accommodate the diverse needs of buyers in the East African market.
Storage & Handling
Sodium Tripolyphosphate should be stored in a cool, dry place, away from direct sunlight and moisture. It is important to keep the packaging tightly closed to prevent contamination. Handling should be done with appropriate personal protective equipment (PPE), including gloves and goggles, to minimize exposure. Ensure that the storage area is well-ventilated to avoid the accumulation of dust or vapors.
External References & Further Reading
Technical Specifications
| Density | N/A |
| Appearance | N/A |
| Solubility | N/A |
| Flash Point | N/A |
| Assay/Purity | N/A |
| Melting Point | N/A |
| pH of Solution | N/A |
| Moisture Content | N/A |
Safety & Handling Guidelines
Not classified as hazardous under GHS
Sodium Tripolyphosphate is generally considered safe when handled properly. However, it may cause irritation to the skin and eyes upon contact. It is recommended to wear gloves and safety goggles when handling the chemical. In case of contact with eyes, rinse immediately with plenty of water and seek medical attention if irritation persists. The compound is not classified as hazardous under GHS, but care should still be taken to avoid inhalation of dust.
Regulatory Compliance & Standards
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Frequently Asked Questions
What is Sodium Tripolyphosphate used for?
Sodium Tripolyphosphate is primarily used in detergent formulations, food processing, water treatment, and ceramics manufacturing.
What are the benefits of using Sodium Tripolyphosphate in detergents?
It enhances cleaning efficiency by softening water and improving the effectiveness of surfactants.
Is Sodium Tripolyphosphate safe to handle?
Yes, but it is recommended to use personal protective equipment (PPE) to minimize exposure.
What packaging options are available for Sodium Tripolyphosphate?
It is available in 50 kg bags, suitable for various industrial applications.
Can Sodium Tripolyphosphate be used in food processing?
Yes, it is used as a food additive, serving as a preservative and emulsifier.
How should Sodium Tripolyphosphate be stored?
Store in a cool, dry place, away from moisture and direct sunlight.
What is the CAS number for Sodium Tripolyphosphate?
The CAS number is 7758-29-4.
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