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Chelating Agents

Magnesium gluconate

CAS: 3632-91-5

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 Point169.67 - 171.93 °C ((337.41 - 341.47 °F ))
Density1.461[at 20℃]
Flash Point100 °C
ColorWhite to Light yellow
Formpowder to crystal
Water Solubilityalmost transparency
Vapor Pressure0Pa at 20℃
pH6.0 - 7.8
Log P-7.41 at 20℃

Trade & Regulatory

HS Code29181990
Storage Class11 - Combustible Solids
WGK (Germany)3

Other Names

magnesium gluconate anhydrous | D-Gluconic acidmagnesium salt (2:1) | Magnesium D-gluconate (1:2) | TH52F4317B | RefChem:1088718 | Magnesium D-gluconate hydrate | Gluconic acidmagnesium salt (2:1)D-

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Chemical Properties

CAS Number
3632-91-5
EC Number
222-848-2
Mol. Weight
414.60
HS Code
29181990

Industries

Documentation