... Formula: C6H11O7NaMolecular weight: 218.14 CAS No.: 527-07-1 Apperance: White crystalline powder or granule Packing: 25kg kraft/pp ... standardAssay,% ≥99-1029899.2Moisture,% ≤0.501.00.35Reduzate,% ≤0.500.70.50Sulfate,% ≤0.050.050.04Chloride,% ≤0.070.10.05Pb,ug/g ≤122As ... Formula: C6H11O7NaMolecular weight: 218.14 CAS No.: 527-07-1 Apperance: White crystalline powder or granule Packing: 25kg kraft/pp ...