ENMikem offers high-performance, superior quality, and reliable products to optimize your projects and achieve the best results.
CAS: 35139-28-7
Molecular Formula: FeH4O5S
Molecular Weight: 171.93
EINECS: 233-072-9
Synonyms: iron(3+):trisulfate:heptahydrate; Polymer Ferric Sulphate; Iron(Iii) Sulfate Heptahydrate; Ferric sulfate heptahydrate; [Fe2(OH)n(SO4)3-n/2]m; PFS/ Polymeric Ferric Sulfate; Polymeric ferric sulfate(SPFS)
Iron sesquisulfate CAS 35139-28-7, widely recognized as Polymeric Ferric Sulfate (PFS), is a new type of high-efficiency inorganic polymer flocculant. It plays a foundational role in environmental protection and water purification, serving as a powerful coagulating agent designed to clarify and treat both drinking water and complex industrial effluents.
| Property | Value |
| Appearance | Liquid: Reddish-brown viscous liquid; Solid: Light yellow granules |
| Density (25°C) | 3.097 g/mL |
| Solubility | Soluble in water with an acidic solution; slightly soluble in ethanol; insoluble in acetone, ethyl acetate, and concentrated sulfuric acid |
| Storage Conditions | Store in a sealed container at room temperature, protected from light, in a cool, dry, and well-ventilated place |
Mikem offers flexible packaging options, including 25 kg of fiber drums for liquid products and 15–25 kg PP/PE bags for powder products, all customizable to meet your specific needs.
Mikem is ready to help you find the best solution.
Our R&D laboratory, staffed by experienced chemists and engineers, drives continuous innovation— developing high-performance chemical solutions tailored to diverse industries. From raw material analysis to final product inspection, we maintain full traceability and consistency.
Founded in 2020, Mikem Chemical Group Co., Ltd. is a trusted global partner in the chemical supply chain, offering a wide range of inorganic and organic compounds, cleaning agents, pigments, additives, and APIs. With over 300 employees and a 20,000 m² facility integrating production, R&D, testing, and storage, Mikem delivers reliable products and tailored solutions that create lasting value for customers worldwide.
At Mikem Chemical Group, our commitment lies in providing dependable goods and customized approaches, fostering enduring benefits for clients across the globe.
At Mikem, our advanced factory and laboratory form the foundation of our chemical production excellence. Equipped with modern manufacturing lines and precision testing instruments, we ensure every product meets strict international standards for quality, safety, and performance.
Our R&D laboratory, staffed by experienced chemists and engineers, drives continuous innovation— developing high-performance chemical solutions tailored to diverse industries. From raw material analysis to final product inspection, we maintain full traceability and consistency.
