Ammonium Dihydrogen Phosphate 99% AR
(Ammonium Dihydrogen Orthophosphate ,Ammonium Acid Phosphate
Product Code. |
00233 |
Grade |
|
Purity |
Min 99% |
CAS No. |
7722-76-1 |
Molecular Formula |
NH4H2PO4 |
Molecular Weight |
115.03 |
H.S.Code |
3105.40000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
White crystalline |
Odour |
odourless |
| pH value |
3.8 - 4.4 at 50 g/l at 25 °C |
Melting point/ Freezing point [°C] |
190 °C |
Density [g/cm3] |
1.8 |
| Solubility in water [% weight] |
Soluble in water |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay (acidimetric) | Min 99% |
| PH (5% solution in CO2 free water) | 3.8 - 4.4 |
| Insoluble matter | Max 0.005% |
| Chloride (Cl) | Max 0.0005% |
| Nitrate (NO3) | Max 0.001% |
| Sulphate (SO4) | Max 0.005% |
| Copper (Cu) | Max 0.0005% |
| Iron (Fe) | Max 0.001% |
| Heavy metal (as Pb) | Max 0.0005% |
| Potassium (K) | Max 0.005% |
| Sodium (Na) | Max 0.005% |
| Calcium (Ca) | Max 0.001% |
| Magnesium (Mg) | Max 0.0005% |
Safety Information and Hazard Symbols