Sodium phosphate monobasic dihydrate - 04269
Code: 04269
Sodium phosphate monobasic dihydrate
Meets analytical specification of BP, FCC, Ph. Eur., USP, E 339, 98-100.5% (calc. to the dried substance)
Sodium dihydrogen phosphate dihydrate
meets analytical specification of Ph. Eur., BP, USP, FCC, E339, 98-100.5% (calc. to the dried substance)
CAS Number: 13472-35-0
Linear Formula: NaH2PO4 · 2H2O
Molar Mass: 156.01 g/mol
EC Number: 231-449-2
MDL Number: MFCD00149209
| Property |
Value |
| Assay (calculated to the dried substance) |
98.0 - 100.5 % |
| Assay (calculated on the anhydrous basis) |
98.0 - 103.0 % |
| Loss on drying (130°C) |
21.5 - 24.0 % |
| Water (Karl Fischer) |
18.0 - 26.5 % |
| Water insoluble matter |
max. 0.2 % |
| PH (5 %, 25 °C) |
4.2 - 4.5 |
| PH (1 %,20°C) |
4.1 - 5.0 |
| Arsenic (As) |
max. 1 ppm |
| Calcium (Ca) |
max. 0.002 % |
| Cadmium (Cd) |
max. 1 ppm |
| Copper (Cu) |
max. 0.001 % |
| Iron (Fe) |
max. 5 ppm |
| Mercury (Hg) |
max. 1 ppm |
| Magnesium (Mg) |
max. 0.002 % |
| Lead (Pb) |
max. 1 ppm |
| Zinc (Zn) |
max. 0.001 % |
| Heavy metals (as Pb) |
max. 10 ppm |
| Al, Ca and Related Substances |
complying |
| Chloride (Cl) |
max. 50 ppm |
| Fluoride (F) |
max. 10 ppm |
| Sulfate (SO4) |
max. 200 ppm |
| Reducing impurities |
complying |
| Appearance of the solution |
complying |
| Residual solvents |
complying |
| Appearance |
complying |
| Property |
Value |
| Freezing point |
60 °C |
| Density |
2.04 g/cm3 |