Calcium propionate  CAS#:4075-81-4

Molecular formula C6H10CaO4·0～1H2O Molecular weight 186.22(anhydrous) Properties     white crystal , granule or crystalline powder , odorless or slight odor of propionic acid Uses     preservative, anti-fungus agent of food and feed . Dosage      Bread & cake  0.25-0.5%;  chocolate product 0.2-0.4%;  jelly confectionery  jam 1% max ;  candy ,  cheese 0.1-0.3%;  soy 0.1-0.25%. Limit     Used as  preservative. ADI is limitless Packing     double-layer PE film food bag , net wt   500g , 1000g ,  the external packing  is  paper box ,  net wt 10kg ; 25kg /bag Quality standard                                                     Index name HG2921-1999 FCCⅣ E282 Appearance white crystal   white crystal white crystal Assay（dry） % ≥ 99.0 99.0～100.5 99.0 Water insoluble matter   % ≤ 0.30 0.20 0.30 PH  10% 7～9 7.5～10.5 6～9 Loss on heat  %≤  9.5 5.0 4.0 Free acid        %≤ passed 0.30   Free alkalinity    %≤         passed 0.15   Arsenic  % ≤          0.0004   0.0003 Heavy metals （Pb） % ≤         0.001   0.001 Fluoride  %≤ 0.003 0.003 0.001 Magnesium  %≤   0.4   Lead  %≤   2mg/kg 0.0005 Mercury %≤     0.0001 Iron %≤     0.005