Magnesium Sulphate Heptahydrate

Purity(%min)MgSO4(%min)MgO(%min)Cl(%max)Fe(% max)As(ppm max)Pb(ppm max)Crystasize(≥90%)mm9948.4816.230.050.0052100.1-11-31-4 *Custom made is possible1. Chemical Properties and OverviewMagnesium Sulphate Heptahydrate is an inorganic salt that appears as colorless crystals or white granules. Its chemical formula is MgSO₄·7H₂O, with a molar mass of 246.47 g/mol. The compound is highly soluble in water, forming magnesium and sulfate ions that are essential for plant growth and numerous industrial processes.Key Properties Table:PropertyValueUnitChemical FormulaMgSO₄·7H₂O-Molecular Weight246.47...

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Detailed Description

Purity

(%min)

MgSO4

(%min)

MgO

(%min)

(%max)

(% max)

(ppm max)

Crystasize

(≥90%)mm

48.48

16.23

0.05

0.005

0.1-1

1-3

1-4

*Custom made is possible

1. Chemical Properties and Overview

Magnesium Sulphate Heptahydrate is an inorganic salt that appears as colorless crystals or white granules. Its chemical formula is MgSO₄·7H₂O, with a molar mass of 246.47 g/mol. The compound is highly soluble in water, forming magnesium and sulfate ions that are essential for plant growth and numerous industrial processes.

Key Properties Table:

Property	Value	Unit
Chemical Formula	MgSO₄·7H₂O	-
Molecular Weight	246.47	g/mol
Appearance	Colorless crystals / White granules	-
Solubility	710	g/L at 20°C
pH (1% solution)	5.5–6.5	-
Melting Point	150°C (dehydration)	°C
Density	1.68	g/cm³

2. Storage Conditions

Proper storage is crucial to maintaining the chemical integrity of Magnesium Sulphate Heptahydrate. Exposure to moisture, extreme temperatures, or contamination can reduce product quality and usability.

Recommended Storage Guidelines:

Environment: Store in a cool, dry, and well-ventilated area.
Temperature: Maintain between 5°C to 35°C to prevent decomposition or caking.
Moisture Protection: Use airtight containers or moisture-proof bags to prevent hydration loss or lump formation.
Avoid Contaminants: Keep away from incompatible chemicals such as strong acids or alkalis.
Shelf Life: Typically 2–3 years under optimal storage conditions.

Storage Table for Quick Reference:

Storage Factor	Requirement
Temperature	5–35°C
Humidity	<50%
Container	Airtight / Moisture-proof
Shelf Life	2–3 years

3. Energy Efficiency and Environmental Benefits

Magnesium Sulphate Heptahydrate contributes to energy efficiency in several industrial and agricultural applications:

3.1 Industrial Processes

In industries such as textile, paper, and wastewater treatment, MgSO₄·7H₂O can:

Reduce the need for high-energy chemical reactions.
Enhance process efficiency by accelerating ionic reactions.
Lower energy consumption in crystallization and precipitation processes.

3.2 Agricultural Applications

In agriculture, Magnesium Sulphate Heptahydrate:

Improves nutrient uptake, reducing the need for additional fertilizers.
Enhances crop yields with minimal environmental footprint.
Supports sustainable farming practices by minimizing chemical runoff.

Energy Efficiency Summary Table:

Application	Energy Efficiency Benefit
Industrial water treatment	Reduces chemical usage and process time
Fertilizer supplement	Decreases additional energy-intensive fertilization
Textile processing	Optimizes dye fixation, reducing heat input

4. Quality Control and Inspection Reports

Ensuring the quality of Magnesium Sulphate Heptahydrate is essential for industrial reliability and regulatory compliance.

4.1 Standard Testing Parameters

Purity: ≥99% MgSO₄·7H₂O
Magnesium Content: 9.8–10.5%
Sulfate Content (SO₄²⁻): 16–17%
Heavy Metals: Pb, Cd, Hg < permissible limits
Loss on Drying: ≤0.5%

4.2 Typical Quality Inspection Report

Parameter	Test Method	Result	Standard
Purity	Titration	99.2%	≥99%
Mg Content	Gravimetric	10.1%	9.8–10.5%
SO₄²⁻ Content	Spectrophotometry	16.8%	16–17%
Pb	Atomic Absorption	<0.5 ppm	≤1 ppm
Cd	Atomic Absorption	<0.1 ppm	≤0.5 ppm
Moisture	Loss on Drying	0.3%	≤0.5%

Quality certification from ISO 9001 or equivalent standards ensures consistent industrial performance and safe application in agricultural and manufacturing processes.

5. Usage Instructions and Precautions

Correct handling and application of Magnesium Sulphate Heptahydrate are essential for safety and performance.

5.1 General Handling

Always wear protective gloves and goggles when handling the chemical.
Avoid inhaling dust; use in a well-ventilated area.
Wash hands thoroughly after handling.

5.2 Agricultural Application

Dissolve MgSO₄·7H₂O in water before foliar spraying or soil application.
Recommended dosage depends on crop type; typical soil application ranges from 50–200 kg/ha.
Avoid direct contact with plant roots in concentrated form to prevent osmotic damage.

5.3 Industrial Application

Use as per process-specific instructions in textile, paper, or water treatment industries.
Monitor solution concentration to ensure optimal reaction efficiency.
Store unused product in sealed containers to maintain quality.

5.4 Safety Precautions

Keep out of reach of children.
Avoid mixing with strong acids or bases.
In case of eye or skin contact, rinse immediately with water and seek medical attention if irritation persists.

Usage Precautions Table:

Use Case	Precaution
Agricultural	Dilute before application; avoid direct contact with roots
Industrial	Follow process guidelines; monitor concentration
Handling	Wear gloves, goggles, and use in ventilated areas
Storage	Seal containers; avoid moisture and contamination

6. Benefits of Magnesium Sulphate Heptahydrate

High Solubility: Quickly dissolves in water, ensuring rapid nutrient availability.
Magnesium Source: Essential for chlorophyll synthesis in plants.
Versatile Industrial Use: Effective in textiles, paper, water treatment, and chemical manufacturing.
Environmentally Friendly: Reduces chemical load and supports sustainable farming practices.
Reliable Quality: Meets international quality standards with low heavy metal content.

7. Conclusion

Magnesium Sulphate Heptahydrate is an indispensable chemical in agriculture and industry. Its high solubility, nutrient content, and stability make it ideal for soil enrichment, industrial processes, and specialty chemical applications.

By following proper storage, handling, and usage guidelines, businesses can maximize energy efficiency, maintain product quality, and ensure safety. Quality inspection reports and standardized certifications guarantee consistent performance, making Magnesium Sulphate Heptahydrate a reliable choice for global B2B trade.

For companies seeking high-purity Magnesium Sulphate Heptahydrate, selecting a certified manufacturer ensures both compliance and efficiency, making it a cornerstone chemical in industrial and agricultural supply chains.