... , wheat, corn, sorghum, cotton, fruits & vegetables. CAS NO. 7722-76-1 HS CODE 31054000 EINECS No 234-562-5 Formula (NH4 ... -5 4.2 Water Insoluble Matters% ≤0.3 0.24 CL% ≤0.1 0.08 As% ≤100ppm 0.1ppm Pb% ≤100ppm 10ppm ... % ≤60ppm 2ppm Hg% ≤60ppm 2ppm Appearance White crystalline powder Size 1-2mm Package 25KG、50KG、1000KG、Container bag and OEM color ...