Ammonium sulfate
Description:
Ammonium sulfate has been used in the preparation of ′Blue Silver′ colloidal Coomassie stain for proteins. Ammonium sulfate may be used for the precipitation or fractionation of proteins or for purification of antibodies. It is also useful for crystallographic analysis of nucleic acids and proteins. (Molecular Biology Grade)
| State of matter | Solid |
| Solubility (20°C) | 760 g/L (H2O) |
| Melting point | 280°C (dec.) |
| Formula | (NH4)2SO4 |
| M | 132.14 g/mol |
| CAS-No.: | 7783-20-2 |
| HS-No.: | 31022100 |
| EC-No.: | 231-984-1 |
| Storage: | RT |
| LGK: | 10 – 13 |
| Disposal: | 14 |
| WGK: | 1 |
| Specification | |
| DNases/RNases/Proteases | not detectable |
| Assay (titr.) | min. 99.5 % |
| pH (5 %; H2O; 20°C) | 5.0 – 6.0 |
| Chloride | max. 0.001 % |
| Nitrate | max. 0.001 % |
| Phosphate | max. 0.0005 % |
| As | max. 0.0001 % |
| Ca | max. 0.001 % |
| Cu | max. 0.0005 % |
| Fe | max. 0.0005 % |
| K | max. 0.002 % |
| Mg | max. 0.0005 % |
| Na | max. 0.002 % |
| Pb | max. 0.0005 % |
| Zn | max. 0.0002 % |
| Product | Description |
| CE9105 | Ammonium sulfate 250 g |
| CE9106 | Ammonium sulfate 1000 g |
| CE9107 | Ammonium sulfate 5000 g |
Datasheet
Stability Test Report
Material Safety Datasheet
