- Product Name: Magnesium Lignosulfonate
- CAS: 8061-54-9
- Catalog: HG-BULK045
- Applications: Refractory & Ceramic Materials, Mineral Powder Binder, Concrete Plasticizer, Scale & Corrosion Inhibition, Coal-Water Slurry Dispersant.
Magnesium lignosulfonate is a versatile, water-soluble, anionic surfactant derived from lignin, a natural polymer found in wood. It is typically produced by sulfonating lignin with magnesium salts, resulting in a stable, non-toxic, and eco-friendly compound with a wide range of industrial applications, such as in construction, metallurgy, energy production, and environmental protection.
Key Features
Water Solubility
- High solubility, ensuring easy incorporation into aqueous formulations.
Non-Toxic and Safe
- It is non-toxic and non-hazardous, making it safe for use in various industrial processes.
Viscosity Enhancement
- Its bonding strength increases with concentration, and when the concentration exceeds 50%, there is a significant improvement in adhesive properties.
Chemical Stability
- Stable under normal conditions; non-flammable and non-explosive.
Technical Data
Items | Specification |
Lignosulphonate content | ≥ 55% |
Moisture | ≤ 7% |
pH | 4.0-6.0 |
Water insoluble | ≤ 1.5% |
Reducing content | ≤ 12.0% |
Bulk density | 0.3-0.4 g/cm3 |
Water reduction | > 8% |
Bleeding rate | ≤ 90% |
Air content | ≤ 3% |
Difference in setting time | -90 minutes to +120 minutes |
Concrete compressive strength ratio | 3D ≥ 110%, 7D ≥ 110%, 28D ≥ 105% |
Shrinkage ratio (28 days) | ≤ 120% |
Applications
Magnesium lignosulfonate is a highly versatile compound with a wide range of applications across various industries:


Refractory & Ceramic Materials
- Used as a plasticizer and dispersant to improve the workability and consistency of refractory and ceramic products.

Mineral Powder Binder
- In metallurgical processes, it acts as a binder for mineral powders, forming briquettes that improve smelting efficiency and recovery rates.

Concrete Plasticizer
- It acts as a water-reducing agent in concrete, reducing water usage by 10%-15%, improving workability, flowability, and compressive strength.


Scale & Corrosion Inhibition
- It can be used as a scale inhibitor and corrosion inhibitor in industrial pipelines and containers, extending the lifespan of equipment and reducing maintenance costs.

Coal-Water Slurry Dispersant
- It improves coal dispersion in coal-water slurry systems, enhancing combustion efficiency, reducing fly ash content, and preventing clumping.

Other Industrial Uses
- It can be employed in oil recovery, drilling mud dispersants, asphalt emulsification, feed binding, and various environmental applications like dust control and pesticide manufacturing.
Storage and Packaging
- Storage: Stored in a dry, well-ventilated area to avoid moisture exposure.
- Packaging: Packaged in 25 kg bags, with an inner plastic film and outer polypropylene woven bags.
Alfa Chemistry's magnesium lignosulfonate is a highly effective and versatile product that can be adapted for a wide range of industrial uses. For more information, please feel free to contact us.