1、Chemical Name: Trisodium Phosphate
2、Molecular Formula: Na3PO4 ; Na3PO4·H2O ; Na3PO4·12H2O
3、Molecular Weight: Anhydrous:163.94 ; Monohydrate:181.96 ; Dodecahydrate:380.18
4、CAS: Anhydrous:7601-54-9 ; Dodecahydrate:10101-89-0
5、Character: It is colorless or white crystal , powder or crystalline granule. It’s easily soluble in water but insoluble in organic solvent.The Dodecahydrate lose all crystal water and become Anhydrous when temperature rise to 212 ℃. solution is alkaline，slightly corrosion on skin.
6、Usage: In food processing industry, it is used as buffering agent, emulsifier, anti-caking agent, antioxidant additive, nutrition supplement and metal chelating agent.
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.
| Specification | GB 1886.335-2021 | FCC VII |
| Content(as Na5P3O10 ),w/% ≥ | 85.0 | 85.0 |
| Content(as Na5P3O10·6H2O ),w/% ≥ | ——— | 65.0 |
| Content of general phosphates (P2O5),w/% | 56.0-58.0 | ——— |
| Insoluble substances,w/% ≤ | 0.1 | 0.1 |
| Heavy metal(as Pb),mg/kg ≤ | 10 | ——— |
| Lead(Pb),mg/kg ≤ | 2.0 | 2.0 |
| Arsenic(As),mg/kg ≤ | 3.0 | 3.0 |
| Fluoride (as F),mg/kg ≤ | 20.0 | 50.0 |
| pH (10g/L Solution) | 9.1-10.1 | ——— |
