Molecular Formula: Mg( CH3COO) 2· nH2O( n= 0, 4) . Molecular Weight: 142.39+ 18n ( n= 0, 4 ) CAS NO: 16674-78-5 Mg( CH3COO) 24H2O 142-72-3 Mg( CH3COO) 2 Specification: Grade Item Magnesium Acetate Tetrahydrate Magnesium Acetate Anhydrate Technical Grade Excellent Grade Technical Grade Excellent Grade Purity % min 99 99 98 98 Magnesium( Mg) % min 11 11 16.5 16.5 PH( 5% Solution) 7.0-11.0 7.0-11.0 7.0-11.0 7.0-11.0 Chloride( Cl) max 200 ppm 50 ppm 200 ppm 50 ppm Iron ( Fe) max 100 ppm 10ppm 100 ppm 10ppm Calcium( Ca) max 500 ppm 100 ppm 500 ppm 100 ppm Heavy Metal( Pb) max 20ppm 10ppm 20ppm 10ppm Application: Used in feed additive and cosmetic. Used to make magnesium acetic acid uranium acyl which is used to test the sodium.Used in medicine, industry , it can be used to get rid of the funk and kill the bacteria and antiseptic and the coloration of drygoods , eosin dyeing, the fixation of nigrosine etc.