Disodium hydrogen phosphate heptahydrate 98, crystals, BAKER ANALYZED® A.C.S. Reagent ACS
Supplier: AVANTOR PERFORMANCE MATERIAL LLC
Warning
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Synonyms:
Disodium phosphate (heptahydrate), Disodium hydrogenorthophosphate 7-hydrate, Sodium phosphate dibasic 7-hydrate, Sodium monohydrogen phosphate 7-hydrate, Sodium phosphate dibasic heptahydrate, Disodium hydrogenorthophosphate heptahydrate, di-Sodium hydrogen phosphate 7-hydrate, Sodium hydrogen phosphate heptahydrate, Sodium monohydrogen phosphate heptahydrate
M.O.C. Category NI
Achieve control over laboratory variables -- minimizing variability and maximizing consistency of results -- by relying on salts in a variety of grades - ACS, BAKER, etc.
Formula:
HNa₂O₄P·7H₂O MW: 268.07 g/mol Melting Pt: 48 Density: 1.70 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00149180 CAS Number: 7782-85-6 EINECS: 231-448-7 |
Specification Test Results
Meets ACS Reagent Chemical Requirements | |
For Laboratory,Research,or Manufacturing Use | |
Assay (Na₂HPO₄·7H₂O) | 98.0 - 102.0 % |
pH of 5% Solution at 25°C | 8.7 - 9.3 |
Insoluble Matter | ≤0.005 % |
Chloride (Cl) | ≤0.001 % |
Sulfate (SO₄) | ≤0.005 % |
Heavy Metals (as Pb) | ≤0.001 % |
Trace Impurities - Iron (Fe) | ≤0.001 % |
Meets Reagent Specifications for testing USP/NF monographs |
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