Magnesium Carbonate USP Grade, 500 Grams

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Sale price $37.00



Magnesium Carbonate, also known as Magnesium Carbonate Basic Pentahydrate, Magnesium Hydroxycarbonate Pentahydrate, Magnesium Hydroxy Carbonate Pentahydrate, and Carbonic Acid, is commonly available as basic pentahydrate of Magnesium(2+) Carbonate having the chemical formula C4H12Mg5O19 or (MgCo3)4-Mg(OH)2-5H2O. It appears as white odorless air/moisture sensitive powder and is insoluble in Water at ambient conditions. Upon heating, it may release Carbon Oxides or other toxic vapors as the decomposition products. It’s a key source of Magnesium that can easily be converted to other Magnesium compounds, such as the oxide by heating (calcination). A USP Grade chemical is the one that conforms to the criteria of the United States Pharmacopeia (USP). A substance that has received the USP Grade certification can be used in food, drug, or medical applications. Due to its high purity, Lab Alley’s Magnesium Carbonate, USP Grade is a USP Grade chemical. In the United States of America (USA), Lab Alley is selling its high-quality Magnesium Carbonate, USP Grade online at


Magnesium Carbonate, USP Grade Features:

Assay 40.0-43.5%
Appearance of Solution To Pass Test
Microbial Limit To Pass Test
Soluble Salts 1.0%
Acid-Insoluble Substances 0.05%
Arsenic 2 ppm
Calcium 0.43%
Heavy Metals 0.002%
Iron 0.02%
Density Approx. 0.5 g/cc
Chloride 0.07%
Sulfate 0.6%
Precipitation Test To Pass Test
Common Uses
  • Reagent
  • Pharmaceutical industry
Safety and Handling

Please contact us to request a Safety Data Sheet (SDS) and Certificate of Analysis (COA) for Magnesium Carbonate USP.

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Questions & Answers

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  • Hello, Can I get the Certificate of Analysis (COA) for this product. Thanks

    We will provide you the COA on the email address provided. 
    Thank you.