What is Magnesium Gluconate CAS 3632-91-5?

Magnesium Gluconate, also called magnesium D-gluconate, is the magnesium salt of gluconic acid with the formula C12H22MgO14 on an anhydrous basis. It is a water-soluble mineral salt used as a bioavailable magnesium source.

Is Magnesium Gluconate supplied as an anhydrous product or a hydrate?

Commercial magnesium gluconate is commonly supplied as a hydrate, while its formula and assay are usually expressed on an anhydrous basis. The amount of water of hydration can vary, so specification sheets should be used for exact content and dosing.

How does Magnesium Gluconate compare with inorganic magnesium salts?

It is freely soluble in water and generally has a milder taste than many inorganic magnesium salts, making it suitable for foods, beverages, and oral supplements. Because the gluconate anion has a higher molecular weight, its magnesium content by weight is lower than that of magnesium oxide or sulfate.

Which applications benefit most from Magnesium Gluconate?

It is especially useful where clean solubility, mild flavor, and compatibility in aqueous systems are important. Typical uses include dietary supplements, fortified foods and beverages, pharmaceutical oral dosage forms, and soluble mineral blends.

What grades are available for Magnesium Gluconate?

The grade depends on the intended end use. Food-grade/FCC and pharmaceutical grades such as USP or BP/Ph. Eur. are common, with assay, heavy metals, and microbial limits matched to the selected application.

Magnesium Gluconate CAS 3632-91-5

Magnesium Gluconate (CAS 3632-91-5) is an organic magnesium salt derived from gluconic acid, commonly used in formulations requiring a bioavailable source of magnesium. It is widely applied in nutritional, pharmaceutical, and food-related systems where controlled mineral delivery and compatibility with aqueous formulations are important.

In commercial supply, Magnesium Gluconate is typically provided as a free-flowing powder suitable for blending, tableting, or liquid formulation after dissolution. Depending on application requirements, different grades may be available. Standard packaging is used for export supply, with documentation such as COA, TDS, and SDS provided.

CAS: 3632-91-5
Synonyms: Magnesium D-gluconate; Magnesium digluconate
Einecs: 222-848-2
Molecular Formula: C12H22MgO14
Grade: Food grade / Pharmaceutical grade (depending on supply)
Package: Available in standard export packaging for powder materials; packaging can be arranged based on order volume and application requirements

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Product Description

1 Physicochemical Properties

2 Typical Applications

3 Packaging

4 Storage

Physicochemical Properties

Appearance	White to off-white crystalline powder
Odor	Odorless
Solubility	Freely soluble in water
pH (aqueous solution)	Neutral to slightly acidic
Magnesium Content	Typically low to moderate (compared to inorganic salts)
Bulk Density	Free-flowing powder (typical commercial range)
Form	Solid (powder)

Typical Applications

Nutritional supplements: Used as a magnesium source in tablets, capsules, and powdered supplement formulations.
Food and beverage fortification: Applied in fortified foods and beverages where water solubility and mild taste are required.
Pharmaceutical formulations: Used in oral dosage forms where controlled magnesium delivery is needed.
Functional formulations: Incorporated into blends requiring mineral supplementation with good compatibility in aqueous systems.

For other magnesium source pages, compare Chelated Magnesium Amino Acid and Anhydrous Magnesium Sulfate.

Packaging

Magnesium Gluconate is supplied as a powder and is typically packed in moisture-resistant bags with inner lining or in fiber drums suitable for food and pharmaceutical ingredients. Packaging is designed to maintain product cleanliness and prevent moisture uptake during storage and transportation.

For export supply, packaging is prepared to ensure stability and compliance with handling requirements. Packaging configurations may be adjusted based on order volume and customer specifications.

Storage

Store in a cool, dry, and well-ventilated environment. Keep containers tightly sealed to protect against moisture absorption and contamination. Avoid exposure to high humidity and direct sunlight.

FAQ - Technical & Supply Chain

Q:
What is Magnesium Gluconate CAS 3632-91-5?

A: Magnesium Gluconate, also called magnesium D-gluconate, is the magnesium salt of gluconic acid with the formula C12H22MgO14 on an anhydrous basis. It is a water-soluble mineral salt used as a bioavailable magnesium source.
Q:
Is Magnesium Gluconate supplied as an anhydrous product or a hydrate?

A: Commercial magnesium gluconate is commonly supplied as a hydrate, while its formula and assay are usually expressed on an anhydrous basis. The amount of water of hydration can vary, so specification sheets should be used for exact content and dosing.
Q:
How does Magnesium Gluconate compare with inorganic magnesium salts?

A: It is freely soluble in water and generally has a milder taste than many inorganic magnesium salts, making it suitable for foods, beverages, and oral supplements. Because the gluconate anion has a higher molecular weight, its magnesium content by weight is lower than that of magnesium oxide or sulfate.
Q:
Which applications benefit most from Magnesium Gluconate?

A: It is especially useful where clean solubility, mild flavor, and compatibility in aqueous systems are important. Typical uses include dietary supplements, fortified foods and beverages, pharmaceutical oral dosage forms, and soluble mineral blends.
Q:
What grades are available for Magnesium Gluconate?

A: The grade depends on the intended end use. Food-grade/FCC and pharmaceutical grades such as USP or BP/Ph. Eur. are common, with assay, heavy metals, and microbial limits matched to the selected application.

Ordering & Documentation

Key information for document requests, quotations, and supply planning.

Documents

COA, TDS, SDS/MSDS and packing details are available on request.

Quotation

Send the CAS number, grade, quantity, packing preference and destination.

Sample & Supply

Support is available for samples, trial orders, bulk and repeat supply.

Storage & Shipping

Product-specific conditions are confirmed before order.

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