1,Chemical Name:
Trisodium Phosphate
2,Molecular Formula:
Na
3
PO
4
,Na
3
PO
4
·H
2
O , Na
3
PO
4
·12H
2
O
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 odorless, easily soluble in water but insoluble in organic solvent.
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 25565-2010
|
FCC VII
|
Assay
,
w
/% ≥
|
Anhydrous (Ignited Basis, Na
3
PO
4
)
|
97.0
|
97.0
|
|
|
Monohydrate (Ignited Basis, Na
3
PO
4
)
|
|
|
|
|
Dodecahydrate(Ignited Basis, Na
3
PO
4
)
|
|
90.0
|
|
|
|
|
|
|
Heavy Metals (Pb),
mg/kg
≤
|
10
|
----
|
|
Pb,
mg/kg
≤
|
4
|
4
|
|
Fluorides (F),
mg/kg
≤
|
50
|
50
|
|
Insoluble Substances ,
w
/% ≤
|
0.2
|
0.2
|
|
pH Value (10g/L)
|
11.5-12.5
|
----
|
|
As,
mg/kg
≤
|
3
|
3
|
|
Loss On Ignition,
w
/%
|
Na
3
PO
4
≤
|
2.0
|
2.0
|
|
|
Na
3
PO
4
·H
2
O
|
8-11
|
8.0-11.0
|
|
|
Na
3
PO
4
·12H
2
O
|
45-57
|
45.0-57.0
|