1、Chemical Name: Potassium Acetate
2、Molecular Formula: C2H3KO2
3、Molecular Weight: 98.144
4、CAS: 127-08-2
5、Character: It is a white crystalline powder, has an alkali taste, easy delixing. Relative density 1.57g/cm3, melting point 292℃, soluble in water, soluble in methanol, ethanol, liquid ammonia. Insoluble in ether and acetone. The solution is alkaline to litmus, but not to phenolphthalein. Low toxic. Combustible.
6、Usage: It is used as buffering agent, neutralizer, preservative and color fixative to protect natural colos of animals and plants.
| Specification | FAO/WHO,1992 | JECFA E261 |
| Content(On dry basis),w/% ≥ | 99.0 | 99.0 |
| Loss on drying(150℃,2h), w/% ≤ | 8.0 | 8.0 |
| Alkalinity | Passes test | ———— |
| Arsenic(As),mg/kg ≤ | 3.0 | 3.0 |
| Lead(Pb),mg/kg ≤ | 10.0 | 2.0 |
| Mercury(as Hg),mg/kg ≤ | ———— | 1.0 |
| Test for sodium | Passes test | ———— |
| Heavy metal(as Pb),mg/kg ≤ | 20.0 | ———— |
| pH(5% Solution) | 7.5-9.0 | 7.5-9.0 |
| Formic acid, formates and other oxidizable substances (in formic acid), w/% ≤ | ———— | 0.1 |
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
