100% Water-Soluble Magnesium & Sulfur Source

One of the major advantages of Magnesium Sulfate Heptahydrate is its excellent water solubility.

This makes it particularly suitable for applications where magnesium and sulfur need to be delivered through irrigation water or prepared as an aqueous solution.

It can be used in:

• Drip irrigation

• Sprinkler irrigation

• Fertigation

• Greenhouse cultivation

• Horticulture

• Fruit production

• Vegetable crops

• Field crops

• Specialty agriculture

The suitability of a particular grade should be confirmed against the crop, irrigation-water quality and local agricultural requirements.

Magnesium Sulfate for Drip Irrigation and Sprinkler Irrigation

Magnesium is an essential plant nutrient and plays an important role in plant growth, including its role in chlorophyll and photosynthetic processes.

Because Magnesium Sulfate Heptahydrate dissolves readily in water, it can be incorporated into suitable fertigation and irrigation programs.

It is particularly useful where soil or crop conditions indicate a requirement for supplemental magnesium and sulfur.

Suitable Irrigation Applications

• Drip irrigation systems

• Sprinkler irrigation systems

• Fertigation systems

• Greenhouse irrigation

• Orchard irrigation

• Commercial horticulture

• Fruit plantations

• Vegetable production

For South American agricultural markets, product selection, dosage and application should be adjusted according to local crop conditions, soil analysis and agronomic recommendations.

Application in Fruits and Crops

Magnesium Sulfate Heptahydrate can be used as a source of magnesium and sulfur for a variety of crops.

Potential agricultural applications include:

• Fruits

• Vegetables

• Citrus

• Grapes

• Bananas

• Tomatoes

• Potatoes

• Beans

• Cereals

• Oilseed crops

• Commercial horticultural crops

• Plantation crops

Adequate magnesium nutrition can support healthy plant development and photosynthetic activity.

For fruit crops, balanced nutrition is important for achieving good fruit development, size, quality and overall crop performance. Claims regarding increased fruit plumpness or sweetness should be considered crop- and nutrition-dependent, rather than guaranteed results.

Magnesium Sulfate for Fruit Quality

Magnesium plays an important role in plant metabolism and chlorophyll formation. Where magnesium is deficient, correcting the deficiency can contribute to improved plant growth and crop performance.

Magnesium Sulfate can therefore form part of a balanced crop nutrition program designed to support:

• Healthy foliage

• Photosynthetic activity

• Plant growth

• Fruit development

• Crop quality

• Nutrient balance

Actual improvements in fruit size, plumpness and sweetness depend on the crop variety, soil condition, irrigation, climate and overall fertilizer program.

Magnesium Sulfate Heptahydrate for Feed Additives

Magnesium sulfate is also used in animal nutrition and feed-related applications, depending on the required regulatory and feed grade.

Potential applications include:

• Animal feed

• Livestock nutrition

• Poultry-related applications

• Aquaculture

• Mineral supplementation

• Feed premixes and formulations

For animal feed and aquaculture, only material meeting the appropriate feed-grade specifications and applicable regulatory requirements should be used.

Magnesium Sulfate for Aquaculture

Magnesium is an important mineral in aquatic environments, and magnesium sulfate may be used in certain aquaculture and water-conditioning applications.

Potential uses include:

• Aquaculture water management

• Mineral supplementation

• Water chemistry adjustment

• Shrimp farming

• Fish farming

Application rates should always be determined according to the species, water chemistry, salinity and aquaculture system.

Industrial Applications of Magnesium Sulfate

Magnesium Sulfate Heptahydrate has applications beyond agriculture and animal nutrition.

Industrial uses can include:

Batch Salt Production

Magnesium sulfate can be used in chemical processing and salt-production applications where a soluble magnesium sulfate source is required.

Wastewater Treatment

Magnesium sulfate may be used in selected wastewater-treatment processes as a source of magnesium or sulfate, depending on the treatment chemistry.

The actual dosage should be determined through process evaluation and jar testing.

Rare Earth Mineral Processing

Magnesium sulfate can be used in certain mineral-processing and chemical-processing applications where magnesium sulfate chemistry is required.

Leather Industry

It can have applications in leather processing and related chemical formulations.

Paper Industry

Magnesium sulfate may be used in selected paper and pulp processing applications depending on the manufacturing process.

Chemical Manufacturing

It can also serve as a raw material or process chemical in the manufacture of various chemical formulations.

Key Benefits

Magnesium Sulfate Heptahydrate offers:

• Highly water-soluble magnesium source

• Sulfur source

• Suitable for fertigation

• Suitable for drip irrigation

• Suitable for sprinkler irrigation

• Useful for horticultural applications

• Suitable for various fruit and crop programs

• Available for feed-related applications in appropriate grades

• Useful in aquaculture applications

• Suitable for selected industrial processes

• Available in bulk quantities

• Multiple grades available according to application

Technical Characteristics

Commercial specifications can vary according to grade and manufacturer. A typical analytical-grade reference identifies Magnesium Sulfate Heptahydrate as MgSO₄·7H₂O, CAS 10034-99-8, with molecular weight 246.48 g/mol and high water solubility.

For example, one published USP specification for magnesium sulfate crystals specifies an assay range of 99–100.5%, although this should not be treated as the specification of every commercial agricultural or industrial grade.

For commercial supply, the applicable TDS, COA and product grade specification should be used to establish purity, magnesium content, sulfur content, moisture, insoluble matter and trace-element limits.

Packaging

Magnesium Sulfate Heptahydrate can be supplied in packaging suitable for agricultural, industrial and bulk applications, subject to order quantity and grade.

Typical commercial packaging may include:

• 25 kg bags

• 50 kg bags

• Jumbo bags

• Palletized bags

• Bulk quantities

Packaging can be customized according to customer requirements and export destination.

Storage

Store Magnesium Sulfate Heptahydrate in a cool, dry and well-ventilated area.

Because hydrated magnesium sulfate can be affected by moisture and may cake during prolonged storage, bags should remain properly sealed and protected from excessive humidity.

Recommended storage practices include:

• Keep containers tightly closed.

• Protect from moisture.

• Store on pallets where appropriate.

• Avoid direct contact with water.

• Keep away from incompatible chemicals.

• Follow the product SDS for detailed handling requirements.

HS Code 283321 – Magnesium Sulfate

Magnesium sulfate is classified under HS Code 283321, commonly described as sulfate of magnesium. In India, the corresponding tariff classification is commonly shown as 28332100.

The exact customs classification, applicable duty and tax treatment should always be confirmed for the importing country, product grade and intended use.

Magnesium Sulfate Heptahydrate Supplier

We supply Magnesium Sulfate Heptahydrate / Epsom Salt for agriculture, fertigation, horticulture, animal nutrition, aquaculture and industrial applications.

Our supply capability can support customers requiring:

• Agricultural grade

• Industrial grade

• Feed-related grades, subject to specification

• Bulk supply

• Export supply

• Customized packaging

• Regular contract requirements

Why Choose Our Magnesium Sulfate Heptahydrate?

With supply experience dating from 1993, we focus on consistent product quality, commercial supply capability and application-oriented product selection.

Customers can request the appropriate TDS, SDS, COA, packing details and commercial quotation according to their application.

Frequently Asked Questions

What is Magnesium Sulfate Heptahydrate?

Magnesium Sulfate Heptahydrate is the hydrated form of magnesium sulfate with the chemical formula MgSO₄·7H₂O. It is commonly known as Epsom Salt.

Is Magnesium Sulfate Heptahydrate water soluble?

Yes. It is highly soluble in water and is therefore suitable for preparing aqueous solutions and, where agronomically appropriate, for fertigation systems.

Can it be used for drip irrigation?

Yes, suitable agricultural grades can be used in drip irrigation and fertigation programs where magnesium and sulfur supplementation is required.

Can it be used for sprinkler irrigation?

Yes. Its high water solubility makes appropriate grades suitable for sprinkler-based fertilizer application, subject to the irrigation system and agronomic recommendations.

Is Magnesium Sulfate suitable for fruits?

It can be used as a magnesium and sulfur source for various fruit crops when soil or plant nutrition indicates a requirement.

Can Magnesium Sulfate increase fruit sweetness?

Correcting a magnesium deficiency may improve crop performance, but fruit sweetness depends on many factors. Magnesium sulfate should therefore be considered part of a balanced crop nutrition program rather than a guaranteed sweetness-enhancing product.

What is the HS code?

The international 6-digit HS subheading is 283321 – Sulphates of magnesium. India commonly uses 28332100 as the tariff item.

Conclusion

Magnesium Sulfate Heptahydrate (Epsom Salt) is a versatile, highly water-soluble source of magnesium and sulfur with applications across agriculture, horticulture, fertigation, animal nutrition, aquaculture and industry.

Its excellent solubility makes it particularly valuable for drip irrigation, sprinkler irrigation and other water-based agricultural applications, while its chemical properties support a range of industrial uses including selected wastewater-treatment, mineral-processing, leather and paper applications.

For reliable commercial supply, customers should select the grade according to the intended application and request the corresponding COA, TDS and SDS before purchase.

Magnesium Sulfate Heptahydrate | Epsom Salt | MgSO₄·7H₂O | CAS 10034-99-8 | HS Code 283321

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We are the leading processors & exporters of Magnesium Sulphate. This is an inorganic compound made of Magnesium, Sulphur and Oxygen. It is also know as Epsom salt. Available in free flow white Sugar Crystal with molecular weight 246.47 g/mol . It is completely soluble in water. It is widely used in agriculture & Horticulture