Magnesium Sulfate Heptahydrate is a widely used magnesium and sulfur compound known for its high solubility and broad application range. It is commonly used in agriculture, feed, water treatment, and industrial manufacturing. With its crystal form and stable quality, Magnesium Sulfate Heptahydrate is especially suitable for fertilizer use, animal nutrition, and various industrial processes.
At Wohe Chemical, we supply high-quality Magnesium Sulfate Heptahydrate with stable bulk supply, flexible packaging options, and complete export support for global customers.
Grade
We can supply Magnesium Sulfate Heptahydrate in different grades according to application needs:
Agricultural Grade
Suitable for fertilizer production, foliar spray, drip irrigation, and crop nutrient supplementation.
Feed Grade
Suitable for animal feed and premix applications where stable quality and impurity control are required.
Industrial Grade
Suitable for industrial manufacturing, water treatment, textile dyeing, leather processing, and other industrial uses.
Appearance
Magnesium Sulfate Heptahydrate is usually supplied as:
- White crystal
- White granular crystal
- Free-flowing granules
Appearance may vary slightly depending on grade and production process.
Application
Agriculture
Magnesium Sulfate Heptahydrate is widely used as a source of magnesium and sulfur in agriculture. It is suitable for:
- foliar spray fertilizers
- drip irrigation systems
- water-soluble fertilizer production
- soil application
- crop deficiency correction
Feed
Feed-grade Magnesium Sulfate Heptahydrate can be used as a magnesium source in animal feed and premixes to support nutritional balance and normal growth.
Industrial
Industrial-grade Magnesium Sulfate Heptahydrate is used in water treatment, textile dyeing, leather processing, pulp and paper, and other industrial applications.
Packaging&MOQ
We offer flexible packaging options based on customer requirements:
- 25 kg PP woven bags with PE inner liner
- 50 kg bags
- 1000 kg jumbo bags
- 1200 kg jumbo bags
- 1250 kg jumbo bags
- OEM custom-printed bags available
All packaging is designed to reduce moisture exposure and support safe storage and export transportation.
MOQ
Our standard MOQ is 1 x 20GP container.
Trial orders and smaller quantities may be discussed depending on grade, packaging, and destination requirements.
Loading Quantity
Typical loading quantity depends on packaging type and loading arrangement.
Reference Loading Capacity
- 20GP: about 25–27 MT without pallets
- 40HQ: based on packaging type and shipment arrangement
Palletized loading and mixed container shipment can also be arranged based on customer needs.
FAQ
1. What is Magnesium Sulfate Heptahydrate mainly used for?
It is mainly used in agriculture, feed additives, water-soluble fertilizer production, water treatment, and industrial manufacturing.
2. What is the difference between Heptahydrate and Monohydrate?
Magnesium Sulfate Heptahydrate contains more crystal water and usually comes in crystal form, while Monohydrate has higher active nutrient concentration.
3. What grades do you supply?
We supply Agricultural Grade, Feed Grade, and Industrial Grade Magnesium Sulfate Heptahydrate.
4. What packaging options are available?
We offer 25 kg, 50 kg, and jumbo bag packaging, with OEM custom packaging available.
5. What is your MOQ?
Our standard MOQ is one 20GP container, but trial orders may be discussed.
6. Can you provide COA and MSDS?
Yes. We can provide COA, MSDS, packing list, commercial invoice, and other export documents as required.
7. Do you support third-party inspection?
Yes. We support pre-shipment inspection by SGS, BV, Intertek, or other recognized agencies upon request.
