| 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 |
|
