1. Product Identification
Chemical Name: Magnesium Glycinate
Synonyms: Magnesium Bisglycinate, Magnesium Diglycinate, Chelated Magnesium Glycinate
CAS Number: 14783-68-7
Molecular Formula: C₄H₈MgN₂O₄
Molecular Weight: 172.42 g/mol
2. Grades & Applications
| Grade | Typical Applications |
|---|
| Industrial Grade | Animal feed additives, agricultural uses, technical formulations, raw material for further chemical synthesis. |
| Food / Supplement Grade | Nutritional supplements, food fortification, functional foods, pharmaceutical preparations (if manufactured under GMP). |
3. Physical & Chemical Properties
| Property | Typical Value |
|---|
| Appearance | White to off-white, free-flowing crystalline or amorphous powder |
| Odor | Odorless or very faint characteristic odor |
| Taste | Mild, slightly sweet or neutral |
| Solubility | Slightly soluble in water; more soluble at higher temperatures |
| pH (1% Solution) | 5.0 – 8.0 |
| Hygroscopicity | Slightly hygroscopic |
| Bulk Density | 0.4 – 0.6 g/cm³ (typical) |
| Stability | Stable under normal storage conditions |
| Storage Conditions | Store in a tightly sealed container, in a cool, dry, well-ventilated place. Avoid direct sunlight and moisture. |
4. Typical Chemical Specifications
| Parameter | Industrial Grade | Food / Supplement Grade |
|---|
| Assay (Magnesium Glycinate) | ≥ 90 % | ≥ 98 % |
| Elemental Magnesium Content | 14 – 20 % | 14 – 16 % with tighter tolerance (±1 %) |
| Loss on Drying | ≤ 5 – 8 % | ≤ 2 – 3 % |
| Residue on Ignition | ≤ 2 % | ≤ 1 % |
| Heavy Metals (as Pb) | ≤ 5 ppm | ≤ 1 ppm |
| Arsenic (As) | ≤ 2 ppm | ≤ 1 ppm |
| Cadmium (Cd) | ≤ 1 ppm | ≤ 1 ppm |
| Mercury (Hg) | ≤ 0.5 ppm | ≤ 0.1 ppm |
| Chloride | ≤ 0.05 % | ≤ 0.05 % |
| Sulfate | ≤ 0.05 % | ≤ 0.05 % |
| Identification | Positive for Magnesium and Glycine | Positive for Magnesium and Glycine |
| Microbial Limits | May not be strictly controlled | Total Plate Count ≤ 1,000 cfu/g, Yeast & Mold ≤ 100 cfu/g, Negative for E. coli and Salmonella |
5. Safety & Handling
Hazards: Not classified as hazardous under normal handling. Dust may cause mild irritation to eyes, skin, and respiratory tract.
Personal Protection: Use dust mask, gloves, and safety goggles when handling large quantities.
First Aid:
Skin contact: Wash with water and soap.
Eye contact: Rinse thoroughly with water.
Inhalation: Move to fresh air.
Ingestion: Rinse mouth; seek medical advice if large amount is ingested.
Fire & Explosion Hazards: Non-flammable; avoid formation of dust clouds.
6. Quality & Regulatory
Industrial Grade: May be produced under general quality systems, not necessarily GMP.
Food/Supplement Grade: Produced under HACCP, ISO, or GMP standards; compliant with relevant food regulations.
Shelf Life: 24 – 36 months from date of manufacture if properly stored.
7. Analytical MethodsAssay: Titration or ICP-OES for elemental magnesium.
Identity: Infrared spectroscopy or HPLC.
Moisture: Loss on drying at 105 °C.
Heavy Metals: ICP-MS or AAS.
Microbiological Tests: Standard plate count, yeast & mold enumeration, pathogen detection.
8. Packaging
Industrial Grade: 25 kg multi-ply paper bag or woven bag with PE liner.
Food / Supplement Grade: 25 kg fiber drum or foil bag with double PE liner, nitrogen flushed if required.
China
