... alcohol,ester,ether and propylene resin.Hydrotropic solution of calcium chloride is the important cryogen for refrigerator and ice making. ... for de-ink of waste paper and calcium salt.Hydrotropic solution of calcaium chloride is the best flame retardant agent, ... be used in fields of preparing barium chloride,treating water in boilers,manufacturing calcium metal,fabric gluing,road treating,coal treating ...