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Purity 99%
W&Q
1. Molecular Formula: MgSO4 CAS NO.: 7487-88-9 Molecular Weight: 120.37
2. Property:
An anhydrous inorganic salt of magnesium,white powder.
3. Specification(%):
Mg | 19.5min |
As | 0.0005max |
| Pb | 0.0005max |
| Hg | 0.0005max |
| Cl | 0.0005max |
4. Packing:
In 25kg bag.

Product Overview
W&Q Magnesium Sulfate Anhydrous (MgSO₄) is an anhydrous inorganic salt, presented as white powdery or granular solid, produced via W&Q’s professional dehydration and purification process.
It has high purity, low moisture content (≤0.5%), and excellent chemical stability, with magnesium sulfate content up to 99.5%, suitable for industrial, agricultural, and chemical application scenarios.
W&Q strictly controls the dehydration process to ensure the product’s anhydrous performance, avoiding quality fluctuations caused by incomplete dehydration.
Product Benefits
① High Anhydrous Purity: W&Q anhydrous magnesium sulfate has minimal residual moisture, ensuring stable performance in moisture-sensitive applications such as chemical synthesis.
② Strong Water Absorbency: W&Q’s product has good water absorption, suitable for use as a drying agent in industrial production and laboratory scenarios.
③ Stable Chemical Properties: W&Q’s product is not easy to decompose under normal storage conditions, ensuring long-term usability and consistent application effects.
④ Cost-Effective: W&Q optimizes production processes to provide high-quality anhydrous magnesium sulfate at competitive prices, meeting bulk application needs.
Usage
W&Q anhydrous magnesium sulfate is widely used in industrial and agricultural fields with its unique anhydrous properties.
In industry, it serves as a drying agent for gases, liquids, and organic solvents, and as a raw material for chemical synthesis, textile printing and dyeing, and water treatment.
In agriculture, it is used as a high-concentration magnesium fertilizer, suitable for soil with severe magnesium deficiency, promoting crop growth and improving stress resistance.
It is also applied in laboratories as a drying agent and in the production of fire-retardant materials to enhance flame-retardant performance.
FAQ
Q1: What is the moisture content of anhydrous magnesium sulfate?
A1: The standard moisture content of W&Q anhydrous magnesium sulfate is ≤0.5%, ensuring excellent anhydrous performance for various applications.
Q2: How to store the product?
A2: Store W&Q anhydrous magnesium sulfate in a dry, sealed container, away from moisture and humid environments to prevent water absorption and performance degradation.
Q3: What is the difference between anhydrous and monohydrate magnesium sulfate?
A3: The main difference is moisture content—W&Q anhydrous type has no crystal water, suitable for drying and moisture-sensitive scenarios, while monohydrate type is more used for daily nutrition and general industrial applications.
Why Choose W&Q?
① Professional Dehydration Technology: W&Q adopts advanced dehydration equipment to ensure complete water removal, guaranteeing the product’s anhydrous quality.
② Strict Quality Control:W&Q conducts full-process inspection on moisture content and purity, ensuring each batch meets industry standards.
③ Customized Specifications: W&Q provides powdery or granular specifications to meet different application and processing needs of customers.
④ Stable Supply: W&Q has sufficient production capacity and a complete supply chain to ensure timely delivery of bulk orders.