Manganese sulfate monohydrate

Synonyms: Manganese(II) sulfate monohydrate, Manganous sulfate monohydrate, Manganese sulphate monohydrate, MnSO4·H2O, Manganese monosulfate monohydrate

Manganese sulfate monohydrate is the hydrated sulfate salt of divalent manganese, with the formula MnSO4·H2O and a molecular weight of 169.02 g/mol. It typically appears as a light pink to off-white crystalline powder, a colour that reflects the presence of the Mn(II) ion in an octahedral coordination environment. The monohydrate is the most common commercial form of manganese sulfate, prized for its high water solubility and stability under normal storage conditions.

Historically, manganese sulfate has been produced both from natural ores such as pyrolusite (MnO2) and from by-product streams of various industrial processes. In agriculture, it has long been used as a micronutrient fertilizer to correct manganese deficiency in crops, particularly in alkaline or highly organic soils. In the pharmaceutical and nutraceutical sectors, it serves as a source of manganese for total parenteral nutrition (TPN) solutions and as a mineral supplement in multivitamin formulations.

From a chemical standpoint, manganese sulfate monohydrate is a mild oxidizing agent under certain conditions but generally behaves as a simple ionic salt. It is highly soluble in water (approximately 76 g/100 mL at 20°C), slightly soluble in ethanol, and insoluble in most organic solvents. Its aqueous solutions are acidic due to hydrolysis of the Mn(II) ion. The monohydrate form is preferred over the anhydrous salt in many applications because it is less hygroscopic and easier to handle, while still delivering a high manganese content of about 31.8% by weight.

In the B2B supply chain, manganese sulfate monohydrate is typically offered in technical, feed, food, and pharmaceutical grades. The pharmaceutical grade must meet stringent purity requirements, including low levels of heavy metals such as lead, arsenic, and cadmium, as well as controlled microbial limits. It is a key raw material for the production of other manganese compounds, such as potassium permanganate, and serves as a precursor in the synthesis of various manganese-based catalysts and battery materials.

Функция

• Essential trace element: Provides bioavailable manganese, a cofactor for enzymes involved in bone formation, amino acid metabolism, and antioxidant defense.
• Nutritional supplement: Used in TPN solutions and dietary supplements to prevent manganese deficiency.
• Agricultural micronutrient: Corrects manganese deficiency in crops, improving photosynthesis and yield.
• Chemical intermediate: Serves as a precursor for manganese-based chemicals, catalysts, and battery materials.
• Feed additive: Supplies manganese in animal feed to support skeletal development and reproductive health.

Source & Standardization

• Source: Produced from manganese ores or by-product streams, followed by purification and crystallization.
• Production: Reaction of manganese oxide with sulfuric acid, followed by concentration and controlled crystallization to obtain the monohydrate.
• Standardization: Assay ≥98.0% (as MnSO4·H2O), manganese content 31.8–32.5%.
• Forms: Light pink to off-white crystalline powder or granules.
• Приложения: Pharmaceutical (TPN, supplements), nutraceutical, animal feed, fertilizer, chemical synthesis.

Технические характеристики

Documentation & Supply

• Monthly capacity: 50 metric tons
• Срок выполнения заказа: 3–5 рабочих дней (товары, имеющиеся в наличии)
• Documentation: COA, MSDS, TDS, nutritional analysis (if applicable), allergen statement, GMO-free statement
• Packaging: 25 kg net paper bag or fiber drum with PE liner; custom packaging available upon request

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