Customization: | Available |
---|---|
CAS No.: | 7758-29-4 |
Formula: | Na5p3o10 |
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English Name | Sodium tripolyphosphate(STPP) |
Cas No.: | 7758-29-4 |
HS Code : | 283531900 |
Einecs: | 231-838-7 |
chemical formula | Na5P3O10 |
Indexes |
Industrial Grade |
Food Grade |
Assay Na5P3O10 % ≥ |
94.0 |
94.0 |
P2 O 5 % ≥ |
57.0 |
57.0 |
Water Insoluble Matter % ≤ |
0.10 |
0.05 |
Iron(Fe) % ≤ |
0.01 |
0.015 |
PH value (1% water solution) |
9.2-10.0 |
9.5-10.0 |
Heavy Metal (as Pb) % ≤ |
|
0.001 |
(As) % ≤ |
|
0.0003 |
Fluoride (F) % ≤ |
|
0.003 |
Ignition loss |
1.0 |
/ |
density (g/cm3) |
0.35-0.9 |
0.35-0.9 |
STPP
|
Specifications
|
NA5P3O10
|
95% Min
|
P2O5
|
56.0%-58.0%
|
Water Insoluble
|
010% Max
|
PH Value
|
9.5-10.0
|
F
|
10ppm Max
|
As
|
1ppm Max
|
LEAD
|
1ppm Max
|
ca
|
1ppm max
|
hg
|
1ppm max
|
al
|
200ppm max
|
Heavy metals (As Pb)
|
10ppm Max
|
Bulk density
|
0.70-0.80 g/ml
|
Whiteness
|
85% Min
|
80 MESH RESIDUE
|
25% min
|
100 MESH RESIDUE
|
50% min
|