1. NH4H2PO4 2.Tech grade, content:98% 3:White crystal powder,100% water soluble 4.CAS No: 7722-76-1 5. HS code:31051000 Description : White, crystallire free flowing solid. Density is 1.619, melting point is 155oC , soludle unwater easily. PH of 1% solution is 8.0.Usage : As fire-extinguishing agent for fabrice, woods, oaoer. For food grade it is mainly used as ferment agent, nourishment, and so ...