Description CAS#: 1066-33-7 | Formula: NH4HCO3 | Specifications: Assay 99 % - Min, Chloride 0.0005 % Max, Heavy metals 0.0005 % Max, Insoluble 0.005 % Max, Iron 0.0005 % Max, Residue on ignition 0.005 % Max, Sulfate 0.001 % Max