1、Chemical Name: Ammonium Dihydrogen Phosphate
2、Molecular Formula: NH4H2PO4
3、Molecular Weight: 115.02(GB) ; 115.03(FCC)
4、CAS: 7722-76-1
5、Character: It’s colorless crystal or white crystalline powder, tasteless. It can lose about 8% of ammonia in air. 1g Ammonium Dihydrogen Phosphate could be dissolved in about 2.5mL water. Aqueous solution is Acidic (pH value of 0.2mol/L aqueous solution is 4.3). It’s slightly soluble in ethanol, insoluble in acetone. Melting point is 180 ℃. Density is 1.80.
6、Usage: In food industry, it’s used as leavening agent, dough regulator, yeast food, brewing fermentation agent and animal feed additives.
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 | GB1886.330-2021 | FCC VII |
| Content(as NH4H2PO4),w/% | 96.0-102.0 | 96.0-102.0 |
| Fluorides(as F),mg/kg ≤ | 10.0 | 10.0 |
| Arsenic(As),mg/kg ≤ | 3.0 | 3.0 |
| Heavy metal(as Pb),mg/kg ≤ | 10 | ———— |
| Lead(Pb),mg/kg ≤ | 4.0 | 4.0 |
| pH value (10g/L Solution ) | 4.3-5.0 | ———— |