Magnesium Carbonate

CAS 13717-00-5 · Molecular formula MgCO₃ · Appearance: white to off-white powder

Light and heavy magnesium carbonate for pharmaceuticals, food, cosmetics, and industrial absorbent uses.

Series overview

What sets our magnesium carbonate apart

We offer both light (fluffy, high-bulk) and heavy (dense) grades with tightly controlled purity and loss-on-ignition.

Suitable for pharma and food applications where consistent purity and low heavy-metal content matter.

Browse this series

High Purity Magnesium Carbonate Basic Magnesium Carbonate Light Magnesium Carbonate Industrial Grade Magnesium Carbonate Heavy Magnesium Carbonate Food & Pharmaceutical Grade Magnesium Carbonate Industry-Specific Magnesium Carbonate

Magnesium Carbonate

Compare the grades on the two numbers that matter.

Guaranteed value — Typical value — — On request

Magnesium Carbonate — Specifications
Specifications	High Purity Magnesium Carbonate	Basic Magnesium Carbonate	Light Magnesium Carbonate	Industrial Grade Magnesium Carbonate	Heavy Magnesium Carbonate	Food & Pharmaceutical Grade Magnesium Carbonate	Industry-Specific Magnesium Carbonate
MgO basis (%)	On request	On request	≥ 42.9%	On request	On request	On request	On request
CaO (%)	On request	On request	On request	On request	On request	On request	On request
Chloride (Cl-) (%)	On request	On request	≤ 0.01%	On request	On request	On request	On request
Iron (Fe) (%)	On request	On request	On request	On request	On request	On request	On request
Acid insoluble matter (%)	On request	On request	≤ 0.03%	On request	On request	On request	On request
Loss on ignition (%)	On request	On request	On request	On request	On request	On request	On request
Bulk density (g/ml)	On request	On request	≤ 0.11 g/ml	On request	On request	On request	On request
Particle size D50 (µm)	On request	On request	On request	On request	On request	On request	On request
Moisture (%)	On request	On request	≤ 2.05%	On request	On request	On request	On request
Whiteness (%)	On request	On request	On request	On request	On request	On request	On request

Download Magnesium Carbonate Grade Table

What Magnesium Carbonate does in your formulation

Ceramics & Electronics

In a ceramic body MgO is small in the recipe and large in the result. It controls sintering and grain growth, and in soft magnetic ferrite it sits at …

Packing and storage

Available in 25 kg bags or drums; pharma and food grades are packed under controlled hygiene conditions.

Not sure which number matters?

Let us know your grade, purity, and regulatory requirements — we will match a suitable lot.

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