1、Chemical Name: Monopotassium Phosphate ; Potassium Phosphate, Monobasic
2、Molecular Formula: KH₂PO₄
3、Molecular Weight: 136.086
4、CAS: 7778-77-0
5、Character: It is colorless tetragonal crystal or white particle or crystalline powder, odorless and stable in air. The relative density is 2.338 g/cm³, soluble in water, insoluble in ethanol.
6、Usage: In food industry, it is used as buffering agent, chelating agent, yeast food, flavoring agent, nutrient supplement, fermentation adjunct, swelling agent and so on.
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 & Transportation: 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.
| Specification | GB 1886.328-2021 | FCC VII |
| Content (On dry basis), w/% ≥ | 98.0 | 98.0 |
| Arsenic (As), mg/kg ≤ | 3.0 | 3.0 |
| Fluorides (as F), mg/kg ≤ | 10.0 | 10.0 |
| Heavy metal (as Pb), mg/kg ≤ | 10.0 | ———— |
| Insoluble substances, w/% ≤ | 0.2 | 0.2 |
| Lead (Pb), mg/kg ≤ | 2.0 | 2.0 |
| Loss on drying, w/% ≤ | 1.0 | 1.0 |
| pH value (10g/L Solution) | 4.2-4.7 | 4.2-4.7 |


