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Specifications

Catalog #	M1900
Assay (MgO)	40-43.5%
	Acid Insoluble Substances: 0.05%
	Arsenic: 0.0004%
	Calcium: 0.45%
	Heavy Metals (as Pb): 0.003%
	Iron: 0.02%
CAS Number	39409-82-0
Molecular Formula	MgCO3
Molecular Weight	84.31
Important Note	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
Alternate names	Carbonic acid, magnesium salt; Magnesium carbonate basic