Magnesium carbonate hydroxide
Agent Name
Magnesium carbonate hydroxide
Alternative Name
Magnesium carbonate basic
CAS Number
39409-82-0
Formula
C-H2-O3.H2-Mg-O2.x-H2-O.Mg
Major Category
Metals
Synonyms
Carbonic acid, magnesium salt (1:1), mixt. with magnesium hydroxide (Mg(OH)2), hydrate; Magnesium carbonate basic; [ChemIDplus] Marinco C; [Merck Index] Carbonic acid, magnesium salt (1:1), mixt. with magnesium hydroxide; [RTECS] Magnesium carbonate hydrate; [Alfa Aesar MSDS]
Category
Metals, Inorganic Compounds
Description
White odorless solid; [Merck Index] White odorless powder; [Alfa Aesar MSDS]
Sources/Uses
Magnesite and lansfordite are examples of magnesium carbonate minerals; Used for fireproofing, heat insulating, filtrating, and to make effervescent magnesium citrate, mineral waters, pigments, and paper; Also used in tooth powders, face powders, polishing compounds, rubber fillers, antacids, and cathartics; [Merck Index] Used as a flavoring agent, anticaking agent, drying agent, formulation aid, humectant, lubricant or release agent, nutritive supplement, pH control agent, and processing aid for foods; [FDA]
Comments
Usually a basic carbonate with an approximate formula of (MgCO3)4.Mg(OH)2.5H2O; [Merck Index] May cause irritation; [Alfa Aesar MSDS] See "Magnesite."
Biomedical References
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: