Magnesium lignosulfonate is a lignin-based dispersant, binder, and formulation aid used in agriculture, fertilizer formulations, soil-related applications, and selected industrial systems. China Lignin, the Agriculture Division of Green Agrochem, supplies magnesium lignosulfonate grades for buyers who need practical support with solubility, binding behavior, dispersion, packaging, and export documentation.
For agriculture and fertilizer use, magnesium lignosulfonate may be evaluated as a binder, dispersant, and lignin-derived organic carbon component in formulation design. Final suitability should always be confirmed according to the selected grade, dosage, raw material compatibility, local registration requirements, and buyer application tests.
What is magnesium lignosulfonate?
Magnesium lignosulfonate is the magnesium salt form of lignosulfonate, a water-soluble lignin derivative produced through lignin conversion and sulfonation. It is related to other lignin-based materials such as sodium lignosulfonate, calcium lignosulfonate, liquid lignosulfonate, and lignin.
Its performance is grade-dependent. Buyers should evaluate pH, dry matter, water-insoluble content, magnesium/calcium content, lignosulfonate content, sulfate, reducing matter, density, moisture, and application compatibility before commercial use.
Key properties
- Water solubility: suitable for many aqueous formulation and dispersion systems when the correct grade is selected.
- Binding behavior: may support granule, pellet, or particle cohesion in fertilizer and industrial applications.
- Dispersing performance: can help separate and suspend fine particles in selected water-based systems.
- Magnesium-containing lignosulfonate form: useful where the cation profile and formulation compatibility fit the buyer’s application.
- Lignin-based origin: provides a bio-based formulation component for agriculture, soil-related products, and industrial processing.
Magnesium Lignosulfonate Main Specification
| Item | GAC-MgLS-1 | GAC-MgLS-2 | Buyer note |
| Name | Magnesium Lignosulfonate | Magnesium Lignosulfonate | Confirm selected grade before order |
| Appearance | Yellow brown powder | Brown color | Appearance can affect blending and visual acceptance |
| pH | 4-7 | 9-11 | Important for compatibility with fertilizer, mineral, and industrial systems |
| Dry matter | 95% min | 95% min | Supports storage, handling, and active solids evaluation |
| Water-insoluble | 1.0% max | 1.5% max | Relevant for aqueous formulations and dispersion performance |
| Total magnesium and calcium | 8% min | 5% min | Check cation content against formulation requirements |
| Lignosulfonate | 55% min | 50% min | Key lignin-derived active component indicator |
| Sulfate | 2% min | 2% min | Confirm if the application is sensitive to inorganic salts |
| Total reducing matter | 7% min | 7% min | May influence storage, color, and selected industrial uses |
| Density | 0.55 g/cm3 | 0.55 g/cm3 | Useful for packaging, handling, and loading estimates |
| Moisture | 7% max | 10% max | Important for flowability, shelf life, and shipment planning |
Exact specifications should be confirmed with the current TDS, COA, SDS, sample result, and commercial contract. Different agriculture, fertilizer, and industrial systems may require different magnesium lignosulfonate grades.
Agriculture and fertilizer applications
| Application area | Potential function | Selection note |
| Fertilizer formulations | Binder, dispersant, or processing aid | Check dosage, nutrient compatibility, pH, and moisture behavior |
| Fertilizer granulation | May support particle cohesion and reduce dusting | Run granule strength, drying, and storage tests before scale-up |
| Soil-related products | Lignin-derived organic carbon component and formulation aid | Do not assume universal soil performance; verify by crop, soil, and formulation context |
| Micronutrient and mineral blends | Dispersion and processing support | Evaluate compatibility with calcium, magnesium, trace elements, and other additives |
| Wettable powder or suspension systems | Particle dispersion and suspension support | Check water hardness, pH, settling behavior, and active ingredient compatibility |
For broader manufacturing context, review how lignosulfonate is produced. Buyers comparing calcium-based use cases may also review calcium lignosulfonate uses.
Industrial applications
Magnesium lignosulfonate also has useful industrial application coverage. These uses should be treated as grade-specific and formulation-specific rather than universal performance guarantees.
| Industrial use | Common role | Buyer check |
| Concrete and cementitious systems | Water-reducing or plasticizing support in selected mixtures | Check cement compatibility, dosage, setting behavior, and applicable standards |
| Ceramic and mineral processing | Plasticizer or dispersant for fine particles | Check slurry viscosity, particle stability, pH, and color sensitivity |
| Phenolic resin composite applications | Potential lignin-derived modifier in selected systems | Confirm resin compatibility and performance with the buyer’s formulation |
| Dust control and briquetting | Binder or auxiliary processing ingredient | Evaluate target strength, dust reduction, and storage stability |
| Water-based industrial formulations | Dispersant, suspension aid, or formulation auxiliary | Confirm suitability by water chemistry, pH, hardness, dosage, and compatibility testing |
Packaging and loading
Magnesium lignosulfonate is commonly supplied as powder in export packaging suitable for container shipment. Packaging format, bag weight, palletizing, moisture protection, and loading quantity should be confirmed before order according to grade, destination, and buyer handling requirements.
- Common package direction: woven bags with inner liner, or buyer-approved export packaging.
- Documents to request: TDS, SDS, COA, packing list, invoice, and any available application guidance.
- Storage note: keep sealed, dry, and protected from moisture during storage and transport.
Related products
Buyers comparing lignosulfonate grades may also review sodium lignosulfonate, calcium lignosulfonate, liquid lignosulfonate, and lignin.
FAQ
What is magnesium lignosulfonate used for?
Magnesium lignosulfonate is used as a dispersant, binder, and formulation aid in fertilizer formulations, soil-related products, particle dispersion, construction materials, ceramics, mineral systems, and other selected industrial processes.
Can magnesium lignosulfonate be used in agriculture?
It may be evaluated for agriculture and fertilizer formulations where lignin-based binding, dispersion, or organic carbon relevance is useful. Suitability depends on grade, dosage, formulation compatibility, crop-input design, and local regulatory requirements.
How is magnesium lignosulfonate different from sodium lignosulfonate?
The main difference is the cation form and related formulation behavior. Magnesium lignosulfonate, sodium lignosulfonate, calcium lignosulfonate, and liquid lignosulfonate should be selected according to solubility, pH, cation compatibility, handling form, and application testing.
What documents should buyers request?
Buyers should request the current TDS, SDS, COA, sample information, packaging details, and any available application guidance for the intended fertilizer, agriculture, or industrial process.
Is magnesium lignosulfonate suitable for every formulation?
No. Suitability depends on water chemistry, pH, hardness, dosage, raw materials, processing conditions, impurity profile, and compatibility with other additives. Buyers should test the selected grade before commercial use.
Inquiry CTA
Contact China Lignin for magnesium lignosulfonate grade selection, sample support, SDS/TDS/COA documents, packaging details, and export quotation. Please share the target application, required form, dosage range, destination market, and any compatibility limits.
Magnesium lignosulfonate buyer guide and application notes
Magnesium lignosulfonate is selected as a water-soluble lignin-based dispersant, binder, and processing aid for construction materials, ceramics, feed binders, dust control, fertilizer granulation, and industrial slurry systems. Buyers should confirm magnesium content, lignosulfonate content, moisture, pH, solubility, color, ash, and performance in the target formulation.
| Application area | Buyer check point |
|---|---|
| Construction and concrete admixtures | Dispersion, water reduction, set influence, and cement compatibility |
| Ceramics and mineral processing | Slurry viscosity, solids loading, and dispersing stability |
| Feed or fertilizer granulation | Binding strength, moisture tolerance, and granule integrity |
| Dust control and industrial binders | Application dosage, storage stability, and final surface performance |
For grade comparison, review sodium lignosulfonate, calcium lignosulfonate, and potassium lignosulfonate.
FAQ for magnesium lignosulfonate buyers
- What should be tested before bulk purchase? Solubility, pH, dispersing performance, binding strength, and compatibility with the final system.
- What documents are commonly requested? TDS, COA, SDS, packing information, shelf life, and export documents.
- How is it compared with sodium or calcium grades? Compare by application performance, ion requirement, pH, color, and formulation stability.