Pharmaceutical Grade Manganese Carbonate

Manganese Carbonate (MnCO₃): Physical & Chemical Properties & Grade Analysis

We are one of the biggest of manufacturer of manganse carboante and manganese oxide ,manganese chloride in China 

Made in China 

Model no :SLQ-MCHP-90

Manufacturer : Hunan SLQ Materials Technology Co.,LTD

1. Basic Physical & Chemical Properties

Analysis of Main Applications of Manganese Carbonate

Manganese carbonate (MnCO₃) is a key manganese source material widely used in feed, agriculture, batteries, electronics, chemicals, ceramics, and pharmaceuticals.

Feed and Agriculture (Largest Market)

- Feed additive: As a trace element supplement for livestock, poultry, and aquaculture to promote growth, bone development, and enzyme activity.
- Manganese fertilizer: Slow-release manganese source for soil remediation, preventing etiolation in crops such as wheat, soybeans, and fruit trees.

 New Energy Batteries (High‑Growth Sector)

- Cathode material precursor: Raw material for lithium manganate (LiMn₂O₄), ternary cathode materials (NCM/NCA), and lithium manganese iron phosphate (LMFP).
- Improves battery energy density, cycle life, and thermal stability for power batteries and energy storage systems.
- Additive for zinc‑manganese dry cells to enhance discharge performance.

 Electronic and Magnetic Materials

 

2. Food Grade Manganese Carbonate

Physical Characteristics

- White/light pink powder, odorless, no visible impurities.
- Fine particle size with good flowability for blending.

Chemical & Purity Requirements

- Mn content ≥ 44%.
- Strictly limited toxic heavy metals: Pb, As, Cd, Hg ≤ 1 ppm level.
- Low chloride, sulfate, iron, calcium and magnesium.

Applications

- Nutritional fortifier in food.
- Used in dairy products, infant formulas, health supplements and multivitamins.

 

3. Pharmaceutical Grade Manganese Carbonate

Physical Characteristics

- Pure white or light pink, uniform particle size, high cleanliness.

Chemical & Purity Requirements

- Purity ≥ 99.0%, Mn ≥ 44.5%.
- Heavy metals (Pb, As, Cd) ≤ 0.5 ppm.
- Strict control of microbial limits, residue on ignition, chlorides and sulfates.

Applications

- Manganese supplement in pharmaceutical preparations.
- Raw material for high-purity manganese salts and pharmaceutical excipients.

 

4. Battery Grade Manganese Carbonate

Physical Characteristics

- High whiteness, narrow particle size distribution (D50 = 5–15 μm).
- Controlled specific surface area and tap density for sintering.

Chemical & Purity Requirements

- Purity ≥ 99.5%, Mn ≥ 45%.
- Ultra-low impurities: Fe ≤ 10 ppm; Cu, Pb, Zn, Ni ≤ 1 ppm; Ca+Mg ≤ 50 ppm; S, Cl ≤ 50 ppm.

Applications

- Precursor for cathode materials: lithium manganate (LiMn₂O₄) and ternary (NCM/NCA) materials.
- Used in power batteries and energy storage batteries.

 

5. Core Comparison Summary

- Purity: Battery Grade > Pharmaceutical Grade > Food Grade.
- Key impurities controlled:
Food & Pharma: toxic heavy metals;
Battery: transition metals and alkali metals.
- Particle quality: Battery Grade has the narrowest distribution; Pharma Grade is more uniform than Food Grade.
- Purpose: Nutrition → Medicine → Electrochemical energy storage.