Description

Lignosulfonic Acid, Manganese(2+) Salt is a coordination complex derived from lignin, a major component of wood pulp, and manganese ions. This compound is valued for its dual functionality as a dispersing agent and a source of bioavailable manganese, making it a versatile specialty chemical. It is primarily sought by manufacturers in the agricultural, construction, and industrial processing sectors for its unique combination of chelating and catalytic properties.

Application

• Micronutrient Fertilizer Additive: Acts as a highly effective chelating agent for manganese in liquid and granular fertilizers, improving plant uptake and correcting deficiencies in crops.
• Concrete Admixture: Functions as a water-reducing and set-retarding agent in concrete formulations, enhancing workability and final strength.
• Drilling Fluid Component: Used in oil and gas drilling muds as a thinner and dispersant to control rheology and reduce fluid loss.
• Dye Dispersant: Improves the dispersion and stability of pigments and dyes in textile and paper manufacturing processes.
• Animal Feed Supplement: Serves as a source of essential trace mineral manganese in premixes for livestock and poultry nutrition.
• Industrial Catalyst Precursor: Utilized in the preparation of catalysts for various oxidation and organic synthesis reactions.
• Dust Control Agent: Applied to roads and mining sites to suppress dust by binding fine particles.

Basic Information

Item	Details
Product Name	Lignosulfonic Acid, Manganese(2+) Salt
CAS No.	68186-83-4
Molecular Formula	Variable polymer complex (C₉H₈O₂S·xMn)
Molecular Weight	Variable (Polymeric)
Synonyms	Manganese Lignosulfonate; Lignosulfonic Acid Manganese Salt; Manganese(II) Lignosulfonate; Lignin Sulfonic Acid Manganese Salt; MLS; Mn-LS; Lignosulfonate Manganese; Calcium-Manganese Lignosulfonate (common blend)
EINECS	Contact for details

Quality Control

Our Lignosulfonic Acid, Manganese(2+) Salt is produced under a stringent quality management system. Each batch undergoes rigorous testing to ensure consistent performance and meets relevant industrial specifications for parameters such as manganese content, sulfonate group concentration, and solubility. Certificates of Analysis (COA) documenting purity, heavy metal limits, and physical properties are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the original container tightly sealed to prevent caking or degradation due to atmospheric moisture.

Specification

Item	Specification
Appearance	Brown to dark brown powder or liquid
Identification (IR)	Conforms
Assay (Manganese Content)	5.0% - 12.0% (Grade dependent)
pH (10% Solution)	3.0 - 6.0
Loss on Drying	≤ 8.0%
Sulfate Ash	20.0% - 35.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Completely soluble

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.