Toxic Type Calcium Nitrate Powder has many applications such as antifreeze, rust inhibitor of steel and washes heavy oil and is used as a heat transfer fluid in thermal energy storage units for large air-conditioning or process cooling applications, so it is widely useful for the high-rise construction, the highway, the bridge, the railroad, the airport, the large-scale hydraulic. The Powder enables the coastal area to contain the chlorine high sea sand, which the sea water uses and has assay from 94% to 97%, pH value of 7. The Powder has calcium nitrate of 6% maximum, moisture of 1.0% maximum, loss on drying of 31% maximum. The Powder is a white or light yellowish powder. The Toxic Type Calcium Nitrate Powder has water insoluble matter from 0.5% to 1.0%, moisture of 1.0% maximum and is soluble in water deliquescence.