1, Product: magnesium chloride 2,Molecular:Mgcl2 6H2O 3,MW:203.33 4,Specification ... lose hydrochloric acid to break down ,intense heat to oxygen chloride when the rapid decomposition when heated at about 118°C ... dissolve in alcohol, PH is 7.5. Usage: in industry grade .it is used to make melting magnesium ,antiseptic ,and so ... poisonous chemicals two years of quality guarantee period. magnesium chloride