1, molecular formula: C6H10CaO4
2, molecular weight: 186.22 (anhydrous)
3, Specificity: White crystalline granule or crystalline powder. Odorless or slight propionate smell. Deliquescence.soluble in water, insoluble in alcohol.
4, preservative,mildewproof agent
5, Packing: Packed with polyethylene plastic bag as liner, and woven bag as the outer layer. The net weight of each bag is 25kg.
Name of index | Unit | FCC-V | E282 |
Description | White crystalline powder | ||
Identification | Pass test | ||
Content | % | 98.0-100.5(anhydrous basis) | ≥99, (105℃,2h) |
pH of a 10 % aqueous solution | -- | 6.0--9.0 | |
Loss on drying | ≤% | 5 | 4.0(105℃,2h) |
Heavy metals (as Pb) | ≤mg/kg | -- | 10 |
Fluorides | ≤% | 0.003 | 0.001 |
Magnesium(as MgO) | Passes test (about 0.4%) | -- | |
Insoluble substances | ≤% | 0.2 | 0.3 |
Lead | ≤mg/kg | 2 | 5 |
Iron | ≤mg/kg | -- | 50 |
Arsenic | ≤mg/kg | -- | 3 |
Mercury | ≤mg/kg | -- | 1 |