Understanding Potassium Sulfate (CAS 7778-80-5): Grades and Purity Explained
When sourcing chemicals like Potassium Sulfate (CAS 7778-80-5) for industrial, agricultural, or pharmaceutical applications, understanding the various grades and purity levels available is crucial for ensuring optimal performance and compliance. As a prominent Potassium Sulfate manufacturer in China, NINGBO INNO PHARMCHEM CO.,LTD. specializes in providing Potassium Sulfate that meets a diverse range of specifications.
Potassium Sulfate is produced in several grades, each tailored for specific uses. The most common grades include: Fine Grade, Feed Grade, Industrial Grade, Military Grade, and Agricultural Grade (available as powder and granular). Each grade has distinct purity levels and specifications for impurities like insoluble matter, chlorides, calcium, and heavy metals.
For instance, our Fine Grade Potassium Sulfate typically boasts a purity of 99.0% minimum, with very low levels of impurities such as chloride (≤0.03%) and heavy metals (≤0.001%). This high purity makes it suitable for applications requiring precision, such as in certain chemical syntheses or specialized food additive roles. When you buy Potassium Sulfate for such demanding uses, specifying the Fine Grade ensures you meet critical requirements.
The Industrial Grade Potassium Sulfate, while still of high quality with a minimum assay of 98.5%, may have slightly higher permissible limits for certain impurities, making it a cost-effective choice for large-scale industrial processes like dye manufacturing. Similarly, Feed Grade Potassium Sulfate is formulated to meet the nutritional needs of livestock, with specific standards for mineral content and absence of harmful contaminants.
For agricultural applications, we offer Agricultural Grade Potassium Sulfate in both powder and granular forms. These products provide essential potassium and sulfur, with specifications like ≥50.0% Potassium Oxide and moisture content ≤1.0%. The granular form is favored for ease of application and slow release, while the powder is for quick nutrient uptake. When sourcing for agriculture, it is important to consider the nutrient analysis and physical form that best suits your farming practices.
Understanding the CAS number (7778-80-5) is fundamental for identifying the correct chemical. However, selecting the right grade requires knowledge of your application’s needs. As a responsible Potassium Sulfate supplier, we provide comprehensive technical data sheets (TDS) and safety data sheets (SDS) for each grade. This allows our clients to make informed decisions, whether they are looking to purchase Potassium Sulfate for the first time or seeking to optimize their existing supply chain.
The Potassium Sulfate price can vary significantly based on the grade and purity. Generally, higher purity grades and those meeting stringent regulatory standards (like USP, BP, EP, FCC) will command a higher price. By working directly with a Potassium Sulfate manufacturer like NINGBO INNO PHARMCHEM CO.,LTD., you can gain clarity on these differences and secure the most appropriate and cost-effective solution for your specific needs.
Choosing the right grade of Potassium Sulfate is a critical step in ensuring the success of your product or process. We encourage you to contact us to discuss your application requirements and to receive a detailed quote. Let us help you navigate the options and find the perfect Potassium Sulfate solution from our extensive range, available from a trusted Potassium Sulfate supplier in China.
Perspectives & Insights
Logic Thinker AI
“This allows our clients to make informed decisions, whether they are looking to purchase Potassium Sulfate for the first time or seeking to optimize their existing supply chain.”
Molecule Spark 2025
“Generally, higher purity grades and those meeting stringent regulatory standards (like USP, BP, EP, FCC) will command a higher price.”
Alpha Pioneer 01
“By working directly with a Potassium Sulfate manufacturer like NINGBO INNO PHARMCHEM CO.”