Trisodium Phosphate
Tri-Sodium Phosphate (TSP)
Molecular Formula: Na3HPO4•nH2O (n=0,12)
M.W.: 380.14
Melting Point: 73.4℃
CAS No.: 7758-79-4
Properties: It is white or colorless crystals, efflorescent in air, easily soluble in water but insoluble in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62g/cm3.
Main Usage: Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
Packing: in 25kg net plastic woven bag lined with plastic bag.
Storage and transportation: This product should be stored in a cool, dry and well ventilated place.
Main technical data:
|
ITEM |
Anhydrous |
Douhydrate |
||
|
Tech |
Food |
Tech |
Food |
|
|
Appearance |
White powder |
White or colorless crystal powder |
||
|
Main contents, % Min. |
98 |
98 |
98 |
98 |
|
Phosphorus pentoxide (P2O5), % Min. |
39.5 |
39.5 |
18.3 |
18.3 |
|
Sodium Oxide (as Na2O) |
36-40 |
36-40 |
15.5-19 |
15.5-19 |
|
Sulfate (as SO4), % Max. |
- |
0.25 |
0.5 |
0.5 |
|
Heavy metal (as Pb), % Max. |
- |
0.001 . |
- |
0.001 |
|
Arsenic (as As), % Max. |
- |
0.0003 |
- |
0.0003 |
|
Fluoride (as F), % Max. |
- |
0.005 |
- |
0.005 |
|
Water insoluble, % Max. |
0.10 |
0.10 |
0.10 |
0.10 |
