Formula details
Product Details
Overview
High-Purity Magnesium Sulfate Bulk Supply
Are supply chain disruptions, fluctuating raw material costs, and inconsistent batch purity threatening your operational margins? At Greenlano, we manufacture high-grade magnesium sulfate to deliver dependable chemical performance, direct-from-factory pricing, and uninterrupted global delivery.
Chemical Profile & Ionic Stability
Magnesium sulfate (MgSO4) is a versatile inorganic mineral salt engineered for high water solubility and robust thermal stability. Composed of essential magnesium (Mg2+) and sulfate (SO42-) ions, this chemical salt dissolves rapidly in aqueous environments without leaving unwanted residues.
- High Water Solubility: Dissolves rapidly and completely across standard process temperatures.
- Thermal & Ionic Stability: Maintains structural integrity under elevated thermal processing.
- Precise Ionic Balance: Delivers a bioavailable and reactive source of elemental magnesium and sulfur.
Global Supply Continuity & Cost Savings
We eliminate distributor markups by offering direct-from-factory purchasing and scalable manufacturing solutions tailored to enterprise chemical buyers.
- 14%–18% Acquisition Savings: Direct manufacturing access significantly lowers your landed raw material costs.
- Large-Scale Production: Massive manufacturing capacity ensures long-term contract fulfillment without supply bottlenecks.
- Supply Chain Security: Strategic global warehouse dispatch secures continuous stock availability year-round.
Quality Assurance & Third-Party Verification
We operate under strict quality management frameworks to ensure every shipment meets strict industrial and technical grade benchmarks.
- ISO 9001 Certified: Fully compliant manufacturing protocols ensure batch-to-batch chemical uniformities.
- Full Batch Traceability: Every lot comes backed by complete chemical tracking from raw synthesis to final packaging.
- Optional SGS/BV Inspection: Pre-shipment verification by independent third-party agencies (SGS, Intertek, or BV) guaranteed upon request.
Technical Specifications Matrix: High-Purity Magnesium Sulfate
We manufacture and supply high-purity magnesium sulfate across three distinct hydration states to match your exact process requirements. We strictly control trace impurities and particle uniformity to ensure effortless solubility and reliable performance in every batch.
Physical & Chemical Properties
| Parameter | Anhydrous ($MgSO_4$) | Monohydrate ($MgSO_4·H_2O$) | Heptahydrate ($MgSO_4·7H_2O$) |
|---|---|---|---|
| CAS Number | 7487-88-9 | 14168-73-1 | 10034-99-8 |
| Molecular Weight | 120.36 g/mol | 138.38 g/mol | 246.47 g/mol |
| Appearance | Free-flowing white powder | White powder / Granular | Clear crystals / White powder |
| Main Assay (Purity) | ≥ 98.0% – 99.5% | ≥ 99.0% | ≥ 99.5% |
| Elemental Magnesium (Mg) | ≥ 20.0% | ≥ 16.0% | ≥ 9.6% |
| Water Solubility (20°C) | 35.1 g/100 mL | Fully soluble | 113.0 g/100 mL |
| pH (5% Aqueous Solution) | 5.0 – 8.0 | 5.0 – 8.0 | 5.0 – 8.0 |
| Water Insoluble Matter | ≤ 0.05% | ≤ 0.05% | ≤ 0.05% |
| Heavy Metals (as Pb) | ≤ 10 ppm | ≤ 10 ppm | ≤ 10 ppm |
| Arsenic (As) | ≤ 2 ppm | ≤ 2 ppm | ≤ 2 ppm |
| Iron (Fe) | ≤ 15 ppm | ≤ 15 ppm | ≤ 15 ppm |
Core Analytical Benchmarks
- Guaranteed Active Concentration: High elemental magnesium yields up to ≥ 20.0% in anhydrous form for maximum chemical activity.
- Rapid & Complete Dissolution: Ultra-low water insoluble matter (≤ 0.05%) prevents nozzle clogging in fertigation and equipment fouling in chemical synthesis.
- Stringent Heavy Metal Control: Purity metrics verified via ICP-OES to maintain Heavy Metals ≤ 10 ppm and Arsenic ≤ 2 ppm.
Magnesium Sulfate Hydration Variants & Product Forms
We supply three distinct hydration forms of magnesium sulfate engineered to match your exact processing, formulation, and budget requirements.
Magnesium Sulfate Heptahydrate (Epsom Salt Grade)
- Chemical Formula: MgSO4·7H2O | CAS: 10034-99-8
- Appearance: Translucent, free-flowing crystalline structure.
- Key Feature: High dissolution rate in water.
- Primary Applications: Bath salt formulations, spa cosmetics, personal care products, agricultural fertigation, and industrial fermentation processes.
Magnesium Sulfate Monohydrate (Kieserite Type)
- Chemical Formula: MgSO4·H2O | CAS: 14168-73-1
- Appearance: Durable granular or dense powder.
- Key Feature: High elemental magnesium density with sustained solubility.
- Primary Applications: Granular compound fertilizers, soil conditioners, and slow-release agricultural nutrient blends.
Anhydrous Magnesium Sulfate (Industrial Desiccant)
- Chemical Formula: MgSO4 | CAS: 7487-88-9
- Appearance: Ultra-fine white powder (Moisture Content < 0.5%).
- Key Feature: Exceptional water-binding capacity.
- Primary Applications: Organic synthesis drying agents, laboratory desiccants, and water-sensitive chemical processing.
Target Application Scenarios & Industry Solutions
We supply high-purity Magnesium Sulfate engineered to meet strict technical requirements across agriculture, water management, chemical synthesis, and personal care manufacturing.
Agricultural Grade Magnesium Sulfate & Fertigation
Our soluble Magnesium Fertilizer Additive delivers targeted plant nutrition with maximum bio-availability:
- Soil Nutrient Correction: Rapidly fixes magnesium and sulfur deficiencies in sensitive cash crops like citrus, tomatoes, cotton, and roses—without altering soil pH.
- Foliar Spray Magnesium Source: Rapid dissolution ensures clog-free, zero-residue performance in drip irrigation, fertigation, and high-pressure foliar spray systems.
Water Treatment Coagulant Auxiliary
We provide Technical Grade Magnesium Sulfate to optimize municipal and industrial water treatment processes:
- Coagulation & Dewatering: Acts as a water treatment coagulant auxiliary to improve sludge dewatering efficiency and neutralize heavy industrial wastewater streams.
- Mineral Balance Regulation: Restores critical mineral balance in industrial process water and municipal conditioning systems.
Industrial Manufacturing & Chemical Processing
Our high-purity MgSO4 supports diverse industrial applications with complete batch consistency:
- Textile & Dyeing Industry: Serves as a reliable fabric weighting agent, color stabilizer, and dyeing auxiliary for cotton and silk finishing.
- Paper & Pulp Processing: Functions as a crucial bleach stabilizer during oxygen delignification processes, protecting cellulose fibers.
- Industrial Desiccant & Organic Synthesis: Removes trace moisture from organic solvents in sensitive chemical synthesis and laboratory drying operations.
Personal Care & Cosmetic Formulations
We offer premium Epsom Salt (Magnesium Sulfate Heptahydrate) for large-scale consumer goods manufacturing:
- Industrial Bath Salt Raw Material: Ultra-pure, fast-dissolving crystalline material designed for bulk commercial bath soaks, muscle recovery products, and spa cosmetics.
Quality Control & Regulatory Compliance
We back every shipment of Magnesium Sulfate with strict batch traceability and audit-ready documentation. You receive consistent purity, precise specifications, and total supply chain transparency for every order.
Standard Batch Documentation
We clear your compliance hurdles before your order leaves our facility. Every bulk Magnesium Sulfate delivery includes a complete documentation package:
- Certificate of Analysis (COA): Batch-specific test results verifying purity, heavy metals, and exact chemical composition.
- Safety Data Sheets (MSDS/SDS): Fully compliant safety data tailored to regional market standards.
- Technical Data Sheets (TDS): Complete technical specifications to streamline your manufacturing integration.
Global Regulatory Standards
| Standard / Regulation | Compliance Status | Operational Benefit |
|---|---|---|
| ISO 9001 Certification | Certified Quality Management | Guarantees repeatable batch-to-batch chemical consistency |
| REACH Registration | Fully Registered | Enables seamless, hassle-free import into European markets |
| Impurity Thresholds | Strictly Enforced | Heavy metals (as Pb) $le$ 10 ppm, Arsenic (As) $le$ 2 ppm, Iron (Fe) $le$ 15 ppm |
Independent Pre-Shipment Testing
We work directly with top-tier international testing agencies. Upon request, we arrange third-party pre-shipment inspection through SGS, Intertek, or BV to verify quantity, packaging integrity, and product grade before dispatch.
Bulk Supply Packaging & Global Logistics for Magnesium Sulfate
We deliver high-purity Magnesium Sulfate worldwide with flexible packaging options, reliable warehouse management, and secure international logistics designed for industrial and commercial supply chains.
Flexible Bulk Packaging Options
We offer custom and standard packaging formats engineered to protect against moisture and contamination during transit.
| Packaging Type | Capacity Specs | Primary Application |
|---|---|---|
| Standard Bags | 25 kg woven polypropylene (PP) bags with inner polyethylene (PE) liner | Agrochemical formulations, local manufacturing, manual handling |
| Jumbo Bags (FIBC) | 500 kg / 1,000 kg / 1,250 kg bulk bags | Large-scale agriculture, water treatment, high-volume chemical synthesis |
| Custom OEM / Private Label | Tailored weights, custom graphics, and specialized barrier liners | Commercial re-packers, retail bath salt brands, private distributors |
Storage & Handling Guidelines
Maintaining product purity and free-flowing consistency requires proper warehouse storage:
- Moisture Protection: Store in original sealed, double-lined bags. High-purity Anhydrous Magnesium Sulfate and Magnesium Sulfate Heptahydrate require strict moisture barriers to prevent clumping.
- Warehouse Conditions: Keep in a cool, dry, well-ventilated facility away from direct heat and weather exposure.
- Separation: Keep inventory isolated from incompatible strong oxidizers and corrosive materials.
Global Supply Chain & Logistics Capabilities
We manage complete end-to-end global deliveries to ensure consistent lead times and raw material availability:
- Shipping Modes: Support for full container loads (FCL), less-than-container loads (LCL), and ISO tanks.
- Flexible Incoterms: Standard delivery under FOB, CIF, CFR, and DDP terms to streamline import processing.
- Fulfillment Record: We maintain a 98.4% on-time global delivery rate through direct port access and managed safety stock.
Magnesium Sulfate Technical & Procurement FAQ
What is the difference between Magnesium Sulfate Heptahydrate and Anhydrous Magnesium Sulfate?
We manufacture both forms to fit specific industrial and agricultural processes. The key differences focus on hydration, active elemental magnesium, and functional use:
| Key Feature | Magnesium Sulfate Heptahydrate (MgSO4·7H2O) | Anhydrous Magnesium Sulfate (MgSO4) |
|---|---|---|
| Bound Water Content | ~51% crystal water | < 0.5% moisture |
| Elemental Magnesium (Mg) | ≥ 9.6% | ≥ 20.0% |
| Dissolution Behavior | Rapid dissolution; neutral temperature profile | Exothermic dissolution; highly hygroscopic |
| Primary Target Uses | Personal care, bath salts, agriculture, fertigation | Organic synthesis, industrial drying, chemical desiccants |
Can Greenlano provide customized particle sizes and anti-caking options?
Yes. We tailor physical characteristics directly to your production requirements:
- Sizing Options: Available in fine powder (80–200 mesh) or uniform coarse granules (1–4 mm).
- Anti-Caking Treatments: Food-grade or industrial-grade free-flowing additives available for high-humidity transit.
- Tailored Processing: Custom milling and screening matched to your specific feeding equipment.
How do I request a sample and Certificate of Analysis (COA)?
- Simple RFQ: Submit your required target specs, mesh size, and grade through our online request form.
- Fast Sample Dispatch: We dispatch evaluation samples (100 g to 1 kg) alongside a lot-specific COA, TDS, and MSDS within 24 to 48 hours.
What is the shelf life and bulk storage stability?
- Shelf Life: 24 to 36 months when kept in original sealed packaging.
- Moisture Defense: Packed in double-lined woven polypropylene bags with sealed polyethylene (PE) inner barriers or FIBC bulk jumbo bags.
- Storage Requirements: Keep stored in a cool, dry, well-ventilated warehouse away from direct weather exposure and incompatible oxidizers.