Ammonium sulfate, ultrapure


Synonyms: Diammonium sulfateDiammonium sulphateSulfuric acid diammonium salt
0191-1KG 0191-5KG 0191-50KG 0191-12KG 0191-10KG
97061-180 97061-184 97061-182 97061-178 97061-176
Ammonium sulfate, ultrapure
Ammonium sulphate
May be used for the precipitation or fractionation of proteins or for purification of antibodies. Useful for crystallographic analysis of nucleic acids and proteins.


Formula: (NH₄)₂SO₄
MW: 132.14 g/mol
Melting Pt: 280 °C
Density: 1.78 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003391
CAS Number: 7783-20-2
EINECS: 231-984-1
REACH: 01-2119455044-46
Merck Index: 13,00559
Specification Test Results
Arsenic 0.0001%
Chloride = 0.0005%
DNase none detected
Heavy Metals (as Pb) = 0.0002%
Insolubles = 0.005%
Iron = 0.0005%
Magnesium Test Pass
pH (5%, Water) @25°C 5 - 6
Phosphate = 0.0005%
Protease none detected
Purity (Dry Basis) = 99.5%
Residue on Ignition = 0.005%
RNase none detected
Selenium = 0.002%

 

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