CAS Number: | 7783-20-2 |
Linear Formula: | (NH4)2SO4 |
Molecular Weight: | 132.14 |
EC Number: | 231-984-1 |
MDL number: | MFCD00003391 |
PubChem Substance ID: | 24890861 |
Description
Application | May be used for the precipitation or fractionation of proteins or for purification of antibodies. Useful for crystallographic analysis of nucleic acids and proteins. |
Properties
grade | for molecular biology |
assay | ≥99.0% |
total impurities | ≤0.005% Insolubles |
mp | >280 °C (dec.)(lit.) |
density | 1.77 g/mL at 25 °C(lit.) |
anion traces | chloride (Cl–): ≤5 ppm |
cation traces | Cu: ≤5 ppm |
Fe: ≤5 ppm | |
Zn: ≤5 ppm | |
heavy metals (as Pb): ≤2 ppm | |
abs. | A1M/260 ≤0.03 |
A1M/280 ≤0.025 | |
foreign activity | DNase, RNase, and protease, none detected |
Safety
Personal Protective Equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
WGK Germany | 1 |
RTECS | BS4500000 |