Overview
Magnesium gluconate (CAS 3632-91-5 ) is an organic magnesium salt used across food, pharmaceutical, and personal care manufacturing as a bioavailable magnesium source and pH buffer.
Its high gastrointestinal tolerance relative to inorganic magnesium salts makes it a preferred choice for supplement formulators and functional food producers seeking high-quality ingredients.
In dietary supplements and functional foods, it serves as an elemental magnesium carrier in tablets, capsules, and fortified beverages where tolerability and label-friendly positioning matter.
Pharmaceutical manufacturers incorporate it into oral rehydration formulas and magnesium-deficiency therapeutics where consistent purity and controlled release profiles are required for safety.
In food processing, it functions as a pH regulator and stabilizer in dairy analogues, infant nutrition, and processed foods requiring mineral fortification without flavor interference.
Personal care formulators use it as a chelating and buffering agent in skin-conditioning products and mineral-enriched topical preparations to enhance product stability and performance.
Magnesium gluconate is supplied as a white crystalline powder, available in both anhydrous and hydrated forms. Standard grades include food-grade ( FCC ), USP , and BP / Ph. Eur.
These grades support procurement across regulated pharmaceutical and food manufacturing environments. Packaging typically ranges from kilogram-scale bags to bulk sacks suited for industrial production.
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Physical Properties
| Melting Point | 169.67 - 171.93 °C ((337.41 - 341.47 °F )) |
| Density | 1.461[at 20℃] |
| Flash Point | 100 °C |
| Color | White to Light yellow |
| Form | powder to crystal |
| Water Solubility | almost transparency |
| Vapor Pressure | 0Pa at 20℃ |
| pH | 6.0 - 7.8 |
| Log P | -7.41 at 20℃ |
Trade & Regulatory
| HS Code | 29181990 |
| Storage Class | 11 - Combustible Solids |
| WGK (Germany) | 3 |
Other Names
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Chemical Properties
- CAS Number
- 3632-91-5
- EC Number
- 222-848-2
- Mol. Weight
- 414.60
- HS Code
- 29181990
- Category
- Chelating Agents