Magnesium Sulfate Anhydrous - An Industrial Desiccant & Essential Additive BY:Binny
- Share
- publisher
- 、Saskia
- Issue Time
- May 26,2026
Summary
Explore the industrial uses of Magnesium Sulfate Anhydrous—from desiccant to fertilizer, water treatment, pharmaceuticals, and building materials.
Magnesium Sulfate Anhydrous - An Industrial Desiccant & Essential Additive
Magnesium Sulfate Anhydrous (MgSO₄, CAS 7487-88-9) is a white crystalline powder known for its exceptional hygroscopicity and chemical stability. As an efficient industrial drying agent, it rapidly absorbs moisture without reacting with most organic compounds, making it the go‑to desiccant in organic synthesis for drying solvents that cannot tolerate anhydrous calcium chloride. Beyond its role in the lab, this versatile chemical finds extensive use in printing and dyeing—serving as a color developer for blue dyes and an alkali absorbent in black liquors to maintain pH 6–7 for uniform dyeing. It also functions as a paper filler, textile weighting agent, and cement fire retardant, demonstrating its adaptability across multiple manufacturing sectors
In agriculture, anhydrous magnesium sulfate serves as an essential magnesium fertilizer, delivering magnesium—a core component of chlorophyll—to soils deficient in this critical nutrient. It is particularly effective for acid soils, peat soils, and sandy lands where magnesium availability is low. Farmers and growers apply it as a base fertilizer, top dressing, or foliar spray, either alone or blended with nitrogen, phosphorus, and potassium to produce compound fertilizers. Magnesium activates numerous plant enzymes, enhances photosynthesis, and directly boosts crop yields and fruit quality. Meanwhile, in animal husbandry, anhydrous magnesium sulfate functions as a key feed magnesium supplement—magnesium is indispensable for bone development, muscle contraction, and enzyme activation in livestock; deficiency can impair metabolic and neurological functions. With an assay ≥98% and low chloride content, industrial‑grade material meets the rigorous demands of both fertilizer formulation and feed production
The environmental and pharmaceutical sectors also rely heavily on this compound. As a water treatment coagulant, anhydrous magnesium sulfate accelerates the coagulation and sedimentation of suspended solids and impurities in industrial wastewater, helping facilities meet discharge standards. It also buffers pH levels and enhances the removal of heavy metal ions, contributing to cleaner effluents. In pharmaceutical applications, anhydrous magnesium sulfate serves as a pharmaceutical excipient with well‑established medical uses—it is formulated into oral laxatives, cholagogues, analgesics, and antidotes; parenterally, it is the first‑line anticonvulsant for eclampsia and pre‑eclampsia, providing rapid stabilization for patients. High purity grades are manufactured to USP specifications, ensuring safety and consistency for drug manufacturing
Richase Group has a deep understanding of the different needs of different customers. Our Magnesium Sulfate Anhydrous products, including some high‑quality magnesium sulfate anhydrous raw materials, are manufactured to meet industrial, agricultural, pharmaceutical, and environmental specifications with consistent purity and reliable performance. Whether you require a powerful drying agent, a magnesium fertilizer, a water treatment coagulant, a pharmaceutical excipient, or a feed supplement, we provide tailored solutions backed by professional technical support and stable supply chains. Contact us today to discuss how we can support your specific application.
For more information about our magnesium products, please feel free to contact our sales team.
[Platform release disclaimer]
This platform part of the article picture source or adapted from the Internet, the main purpose is to share information, so that more people get the information they need, the copyright belongs to the original author, such as infringement of your rights and interests or copyrights, please let us know in time, we will be deleted within 24 hours!