Manganese Sulfate
Minerals & Trace Elements
Nutritional Enhancers
7785-87-7
MnSO₄·H₂O
$4.10 ~ $6.15
Food
Free sample from 100g(NF)
One unit of:25kg/bag
One unit of:25kg/bag
25kg/bag
Product Info
What is Manganese Sulfate?
Manganese sulfate is an inorganic salt used extensively as an essential trace mineral supplement in animal feed and fertilizers to correct nutrient deficiencies in soil and crops.
How is Manganese Sulfate made?
| Step No. | Production Stage | Key Action | Control Point & Note |
|---|---|---|---|
| 1 | Raw Material Preparation | Crush and mill manganese-containing raw material (e.g., manganese ore MnO₂ or manganese carbonate MnCO₃) into a fine powder. | Control Point: Particle size of the milled powder. Note: Finer particles provide a larger surface area, ensuring a more efficient and complete reaction with the acid. |
| 2 | Acid Leaching (Reaction) | React the powdered material with sulfuric acid (H₂SO₄) in a stirred, acid-resistant reactor. | Control Point: Temperature, reaction time, and acid concentration. Note: For MnO₂, a reducing agent may be added to facilitate the reaction. Proper control ensures maximum manganese extraction and minimizes unreacted materials. |
| 3 | Purification | Adjust the pH of the resulting solution and add specific reagents to precipitate impurities like iron and heavy metals. | Control Point: Precise pH level and dosage of purifying agents. Note: This is a critical step for product purity. Incorrect pH can result in loss of manganese or incomplete removal of contaminants like iron (Fe) or arsenic (As). |
| 4 | Filtration | Pump the slurry through a filter press to separate the solid impurities (filter cake) from the purified manganese sulfate solution (filtrate). | Control Point: Clarity of the filtrate and pressure of the filter press. Note: A clear, impurity-free solution is essential for the quality of the final crystallized product. Multiple filtration stages may be used. |
| 5 | Evaporation & Concentration | Heat the purified solution in an evaporator to boil off excess water, increasing the concentration of manganese sulfate. | Control Point: Specific gravity or concentration of the solution. Note: The solution is concentrated to its saturation point to prepare it for efficient crystallization. Over-concentration can cause equipment fouling. |
| 6 | Crystallization | Transfer the hot, concentrated solution to a crystallizer and cool it under controlled conditions to form solid manganese sulfate crystals (typically MnSO₄·H₂O). | Control Point: Cooling rate and final temperature. Note: The cooling profile directly influences the crystal size, shape, and purity. Slow, controlled cooling typically yields larger, more uniform crystals. |
| 7 | Centrifugation & Drying | Separate the crystals from the remaining liquid (mother liquor) using a centrifuge. Then, dry the wet crystals in a dryer (e.g., rotary or fluid bed). | Control Point: Moisture content of the final product. Note: Drying must be carefully controlled to achieve the target hydrate form (e.g., monohydrate) without decomposing the product. The mother liquor may be recycled. |
| 8 | Sieving & Packaging | Screen the dried manganese sulfate to separate particles by size, ensuring product uniformity. Package the final product into designated bags or containers. | Control Point: Final product analysis for assay (Mn%), heavy metals, and particle size distribution. Note: Quality control checks confirm the product meets grade specifications before it is sealed and labeled for shipping. |
Technical Specifications
| CAS Number | 7785-87-7 |
| Chemical Formula | MnSO₄·H₂O |
| Solubility | very soluble in water (52 g/100 mL at 20 °C); insoluble in ethanol |
| Storage Conditions | store in cool, dry, ventilated area, protect from moisture |
| Shelf Life | 36 Months |
Applications & Usage
Common Applications:
used as a manganese supplement in foods
beverages
and animal feed
Mechanism of action:
| Parameter | Manganese Sulfate |
|---|---|
| Functional Category | Nutrient Supplement; Mineral Fortificant; Enzyme Cofactor |
| Key Ingredients | Manganese (II) Sulfate Monohydrate (MnSO₄·H₂O) |
| Mechanism of Action | Provides bioavailable Mn²⁺ ions, which act as an essential cofactor for numerous metalloenzymes (e.g., superoxide dismutase, arginase, pyruvate carboxylase). This role is critical for macronutrient metabolism, antioxidant defense, bone formation, and reproductive functions. |
| Application Effect in Product | Fortifies foods such as infant formula, beverages, and baked goods to correct dietary deficiencies or meet label claims for manganese content. Ensures proper metabolic function in consumers. Does not typically alter product texture, flavor, or color at standard fortification levels. |
Comparison:
| Product Name | Category/Type | Key Features | Strengths (vs peers) | Weaknesses (vs peers) | Best Use Cases | Why Choose |
|---|---|---|---|---|---|---|
| Manganese Sulfate | Inorganic Salt, Micronutrient | High water solubility (monohydrate form), pale pink crystalline solid, provides Mn²⁺ ions. | Highly soluble for rapid plant/animal uptake; cost-effective soluble source; versatile for soil, foliar, and feed use. | Can be tied up (unavailable) in high pH or highly organic soils; can be hygroscopic. | Correcting acute Mn deficiencies via foliar spray; general fertilizer for alkaline soils; water-soluble animal feed supplement. | For a versatile, fast-acting, and economical source of soluble manganese for broad agricultural and feed applications. |
| Manganese Oxide | Inorganic Oxide, Micronutrient | Low water solubility, higher Mn content by weight than sulfate, typically a powder (MnO). | Higher manganese concentration; very stable for blending in feeds and fertilizers; slow-release properties. | Poor solubility limits immediate availability to plants; bioavailability can be lower than sulfate. | Animal feed premixes; component in blended fertilizers where slow release is desired and immediate uptake is not critical. | For a stable, high-concentration manganese source in blends where immediate solubility is not required. |
| Chelated Manganese (Mn-EDTA) | Organometallic Complex | Manganese ion is protected by a chelating agent (EDTA); fully water-soluble and stable. | Highest bioavailability for plants; protected from soil lock-up across a wide pH range; very efficient for foliar feeding. | Significantly more expensive per unit of manganese; lower overall Mn content by weight. | High-value crops, hydroponics, fertigation systems, and foliar feeding on soils where Mn is unavailable. | For maximum plant availability and efficiency, especially in high-pH soils or soilless media, when budget is secondary to performance. |
| Manganese Carbonate | Inorganic Salt, Mineral | Insoluble in water but soluble in dilute acids; light brown powder. | Slow-release nutrient source; stable for blending; can have a slight liming effect on acidic soils. | Very low water solubility makes it unsuitable for foliar sprays or fertigation; slow plant uptake from soil. | Animal feed supplements; fertilizer component for acidic soils; precursor for other manganese chemicals. | As a slow-release manganese source for feed or soil, especially where acid-neutralizing properties are beneficial. |
| Manganese Chloride | Inorganic Salt, Halide | Very high water solubility; provides both manganese (Mn²⁺) and chloride (Cl⁻) ions. | Excellent solubility provides readily available manganese in solution. | The chloride ion can be toxic to sensitive crops and contribute to soil salinity, limiting agricultural use. | Industrial chemical synthesis; laboratory reagent; non-agricultural processes where chloride is not a concern. | When a highly soluble manganese source is needed for industrial use and the presence of chloride is acceptable or desired. |
Technical Documents
Available Documentation
COA and monograph available
Safety Data Sheet (SDS)
MSDS available
Certificate of Analysis (COA)
Quality assurance documentation
Technical Data Sheet
Detailed technical specifications