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.
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Specification |
GB 1886.338-2021 |
FCC VII |
|
|
Content,w/% ≥ Assay,w/% ≥ |
Anhydrous |
97.0 |
97.0 |
|
Monohydrate |
|||
|
Dodecahydrate |
90.0 |
||
|
Heavy Metal (As Pb), mg/kg ≤ |
10 |
---- |
|
|
Lead(Pb),mg/kg ≤ |
4 |
4 |
|
|
Fluorides (As F), mg/kg ≤ |
50 |
50 |
|
|
Insoluble Substances , w/% ≤ |
0.2 |
0.2 |
|
|
PH(10g/L,25℃) |
11.5-12.5 |
---- |
|
|
Arsenic(As), mg/kg ≤ |
3 |
3 |
|
|
Loss On Ignition,w/% |
Na3PO4 ≤ |
2.0 |
2.0 |
|
Na3PO4·H2O |
8.0-11.0 |
8.0-11.0 |
|
|
Na3PO4·12H2O |
45.0-57.0 |
45.0-57.0 |
|
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