... 1.Certified by ISO9001-2000. 2. Best quality with best price. 3. Fastest shipment from several Chinese seaports. PROPERTIESWhite granular crystal , relative density ... at 1.619, melting point at 155°c. Easily soluble ... in water, nsoluble in alcohol, PH value of 1% solution is 8.0. USESAs a fire-prevention agent ...