Sodium phosphate dibasic - 71629
Code: 71629
Sodium phosphate dibasic
TraceSELECT™, for trace analysis, anhydrous, ≥99.999% (metals basis)
sec-Sodium phosphate; Disodium hydrogen phosphate; Disodium phosphate; Sodium hydrogenphosphate
≥99.999%, Anhydrous, for trace analysis, ≥99.999% (metals basis)
CAS Number: 7558-79-4
Linear Formula: Na2HPO4
Molar Mass: 141.96 g/mol
EC Number: 231-448-7
MDL Number: MFCD00003496
| Property |
Value |
| Arsenic (As) |
max. 0.1 ppm |
| Barium (Ba) |
max. 1 ppm |
| Calcium (Ca) |
max. 0.5 ppm |
| Cadmium (Cd) |
max. 0.01 ppm |
| Cerium (Ce) |
max. 0.01 ppm |
| Cobalt (Co) |
max. 0.01 ppm |
| Cesium (Cs) |
max. 5 ppm |
| Copper (Cu) |
max. 0.01 ppm |
| Europium (Eu) |
max. 0.01 ppm |
| Iron (Fe) |
max. 0.05 ppm |
| Mercury (Hg) |
max. 5 ppb |
| Iridium (Ir) |
max. 2 ppm |
| Potassium (K) |
max. 2 ppm |
| Lanthanum (La) |
max. 0.01 ppm |
| Lithium (Li) |
max. 1 ppm |
| Magnesium (Mg) |
max. 0.1 ppm |
| Manganese (Mn) |
max. 0.01 ppm |
| Nickel (Ni) |
max. 0.01 ppm |
| Lead (Pb) |
max. 0.01 ppm |
| Palladium (Pd) |
max. 0.5 ppm |
| Platinum (Pt) |
max. 0.5 ppm |
| Rubidium (Rb) |
max. 5 ppm |
| Rhodium (Rh) |
max. 0.5 ppm |
| Ruthenium (Ru) |
max. 0.5 ppm |
| Antimony (Sb) |
max. 0.05 ppm |
| Selenium (Se) |
max. 0.01 ppm |
| Samarium (Sm) |
max. 0.01 ppm |
| Strontium (Sr) |
max. 0.5 ppm |
| Tantalum (Ta) |
max. 0.01 ppm |
| Vanadium (V) |
max. 0.1 ppm |
| Yttrium (Y) |
max. 0.01 ppm |
| Ytterbium (Yb) |
max. 0.01 ppm |
| Zinc (Zn) |
max. 0.01 ppm |
| Chloride (Cl) |
max. 5 ppm |
| Sulfate (SO4) |
max. 30 ppm |
| Total nitrogen (as N) |
max. 10 ppm |
| Property |
Value |
| PKa (25 °C) |
(1) 2.15, (2) 6.82, (3) 12.38 (phosphoric acid) |
