Magnesium gluconate

CAS Number
3632-91-5
EC Number
222-848-2
E Number
E565

What is Magnesium gluconate?

Magnesium gluconate (CAS 3632-91-5) is an organic magnesium salt; a bioavailable magnesium source and pH buffer.

Where is Magnesium gluconate used?

  • Dietary supplements and functional foods: elemental magnesium carrier in tablets, capsules and fortified beverages
  • Pharmaceuticals: oral rehydration formulas and magnesium-deficiency therapeutics
  • Food processing: pH regulator and stabilizer in dairy analogues, infant nutrition and processed foods
  • Personal care: chelating and buffering agent in skin-conditioning products and mineral-enriched topical preparations
  • It supports procurement in regulated pharmaceutical and food manufacturing.

Good to know: Its gastrointestinal tolerance is high relative to inorganic magnesium salts.

Commercial specifications

  • Anhydrous and hydrated forms
  • Food-grade (FCC), USP and BP/Ph. Eur. grades
  • Packaging from kilogram-scale bags to bulk sacks

Other Names (Synonyms)

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

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What are the physical properties of Magnesium gluconate?

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℃

Which trade and regulatory codes apply to Magnesium gluconate?

HS Code 29181990
Storage Class 11 - Combustible Solids
WGK (Germany) 3
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