Attribute | Value |
---|---|
CAS | 10124-56-8 |
EINECS | 233-343-1 |
Appearance | White powder |
Crystalline Hydrate | No crystal water |
PH | 6~7 |
Solubility | Soluble in water |
Chemical formula | (NaPO3)6 |
Industrial grade 68% CAS 10124-56-8 / Food grade 68% CAS 10124-56-8
Molecular formula: (NaPO3)6
Molecular weight: 611.77
Items for detecting and analyzing | Standard value |
---|---|
Total phosphate P2O5 ≥ | 68% |
Inactive phosphate P2O5 ≤ | 7.5% |
Water insoluble ≤ | 0.05% |
Fluoride (as F) ≤ | 0.05% |
Ph Value | 5.8-7.3 |
Solubleness | Need qualified |
Average degree of polymerization | 10-16 |
Analysis | Test Method | Standard request |
---|---|---|
Total Phosphates (as P2O5) % | GB1886.4-2015 | Min. 68.0 |
Inactive Phosphates (as P2O5) % | GB1886.4-2015 | Max. 7.5 |
Water insoluble % | GB1886.4-2015 | Max. 0.06 |
PH (1%) | GB1886.4-2015 | 5.8-7.3 |
Fluoride (as F) ppm | GB1886.4-2015 | Max. 30 |
Arsenic (as As) ppm | GB1886.4-2015 | Max. 3 |
Heavy Metal (as Pb) ppm | GB1886.4-2015 | Max. 10 |
Iron (Fe) ppm | GB1886.4-2015 | Max. 200 |
Loss on Ignition % | GB1886.4-2015 | Max. 5 |
References: Riel Chemical Lab1&2, National public service platform for standards information.
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