1. Product Description
Magnesium Lactate Trihydrate is a white crystalline or granular powder, odorless, with a slightly acidic taste. It is freely soluble in water and insoluble in ethanol. It is commonly used as a bioavailable magnesium source in dietary supplements, functional foods, pharmaceutical formulations, and feed applications.
2. Specifications — Food / Pharmaceutical Grade (Typical USP / FCC Standard)
| Item | Specification / Typical Value | Method / Reference |
|---|
| Appearance | White crystalline or granular powder | Visual |
| Identification | Positive for magnesium and lactate | USP / FCC |
| Magnesium Content (Mg) | 10.0 – 12.0 % | Complexometric titration |
| Assay (C₆H₁₀MgO₆·3H₂O) | 98.0 – 101.0 % (on dry basis) | Titration |
| Loss on Drying (105 °C) | 16.0 – 20.0 % | USP |
| pH (5% solution, 25 °C) | 6.0 – 8.0 | USP |
| Chloride (Cl⁻) | ≤ 0.05 % | USP |
| Sulfate (SO₄²⁻) | ≤ 0.05 % | USP |
| Heavy Metals (as Pb) | ≤ 10 ppm | ICP |
| Lead (Pb) | ≤ 2 ppm | ICP |
| Arsenic (As) | ≤ 1 ppm | ICP |
| Cadmium (Cd) | ≤ 1 ppm | ICP |
| Mercury (Hg) | ≤ 0.1 ppm | ICP |
| Solubility | Freely soluble in water; insoluble in ethanol | Visual |
| Microbiological Limits | Total plate count ≤ 1000 cfu/g; Yeast & Mold ≤ 100 cfu/g; E. coli, Salmonella negative | ISO / USP |
3. Specifications — Feed / Industrial Grade
| Item | Specification / Typical Value |
|---|
| Appearance | White or slightly off-white powder |
| Magnesium Content (Mg) | ≥ 9.5 % |
| Moisture | ≤ 18.0 % |
| Heavy Metals (as Pb) | ≤ 20 ppm |
| Water-Insoluble Matter | ≤ 0.5 % |
| pH (5% solution) | 6.0 – 8.5 |
Applications: Feed premixes, mineral supplements, technical formulations.
4. Applications
Pharmaceutical / Nutraceutical: Magnesium supplements for tablets, capsules, syrups, and powders
Food & Beverage: Fortification of dairy products, energy drinks, and functional foods
Feed Industry: Magnesium source for animal nutrition
Industrial: Buffering agent, chemical intermediate
5. Physical & Chemical Properties
| Property | Value |
|---|
| Appearance | White to off-white crystalline or granular powder |
| Odor | Odorless |
| Taste | Slightly acidic |
| Solubility | Freely soluble in water; insoluble in alcohol |
| Bulk Density | 0.6 – 0.9 g/cm³ |
| Stability | Stable under normal storage conditions |
| Decomposition | Loses water on heating above 100 °C |
6. Storage & Handling
Store in a cool, dry, well-ventilated area
Protect from moisture, sunlight, and heat
Keep container tightly closed
Handle according to GMP / HACCP protocols
7. Packaging
| Grade | Standard Packaging |
|---|
| Food / Pharma Grade | 25 kg fiber drum or multi-layer paper bag with PE liner |
| Feed / Industrial Grade | 25 kg woven bag or jumbo bag |
8. Shelf Life
24 months when stored in original sealed packaging under dry conditions.
For more information, please visit this website：https://www.khonorchem.com
China
