|
 Molecular formula: Na5P3O10
Molecular weight: 367.86
CAS: 7758-29-4
H.S CODE: 2835.3100
INS 450(i) EEC NO: E450(c)
Use:
Food additive.
| Product
name |
Sodium
Triphosphate
|
| Test method |
QB1034-91 or
FCC IV
|
| Type |
Standard values |
White powder |
White Granules |
| Assay (STPP)
|
95%
min |
95%
min |
95%
min |
| P2O5 |
57.0
min |
57%
min |
57%
min |
| Chloride |
0.025%
max |
0.025%
max |
0.0020%
max |
| Sulfate |
0.4%
max |
0.36%
max |
0.36%
max |
| Heavy metal
|
0.001%
max |
0.001%
max |
0.001%
max |
| As |
0.0003%
max |
0.0002%
max |
0.0002%
max |
| Fluoride |
0.003%
max |
0.003%
max |
0.002%
max |
| Pb |
0.0002%
max |
0.0002%
max |
0.0002%
max |
| pH |
9.5-10
|
9.6-9.9
|
9.6-9.9
|
| Whiteness |
85%
min |
90
min |
90
min |
| Water-insoluble
substances |
0.05%
max |
0.03%
max |
0.01%
min |
| Apparent density
|
- |
0.65-0.72
g/cm3 |
0.58-0.65
g/cm3 |
| Particle size
(through 20 mesh sieve) |
- |
100%
|
100%
|
| Particle size
(through 60 mesh sieve) |
- |
100%
|
20%
|
| Particle size
(through 100 mesh sieve) |
- |
80%
|
10%
|
Packaging: 50lb plastic woven bag or paper bag, net weight 10Kg or 25Kg; 2,000lb plastic woven bag, net weight 1,000Kg. |
