Ammonium Sulphate 99% AR
Enzyme grade low in heavy metal content
Diammonium Sulphate; : Mascagnite
Product Code. |
00243 |
Grade |
AR |
Purity |
99% |
CAS No. |
7783-20-2 |
Molecular Formula |
(NH4)2SO4 |
Molecular Weight |
132.13 |
H.S.Code |
3102.21000 |
Shelf Life |
60 Months |
Physical Properties
| Physical state at 20 °C |
Solid |
Colour |
Colorless crystals |
Odour |
Slight odor of ammonia |
| pH value |
5 - 6 |
Melting point/ Freezing point [°C] |
> 280 °C |
Density [g/cm3] |
1.77 |
| Solubility in water [% weight] |
750 g/l at 20 °C - completely soluble |
Partition coefficient Log Pow octanol / water at 20°C |
-5.1 |
Packaging
Specification
| Appearance | Colorless crystals/ white crystalline powder |
| Assay (titration) | Min.99.0% |
| Insoluble matter | Max 0.005% |
| pH (5% solution in water; 25°C) | 5.0 to 6.0 |
| Residue on ignition | Max 0.005 % |
| Heavy metals (by ICP-OES) | Max 0.0005% |
| Chloride (Cl) | Max 0.0005% |
| Nitrate (NO3) | Max 0.001% |
| Phosphate (PO4) | Max 0.0005% |
| Iron (Fe) | Max 0.0005% |
Safety Information and Hazard Symbols