A4418
Ammonium sulfate
for molecular biology, ≥99.0%
Recommended Products
grade
for molecular biology
Quality Level
Assay
≥99.0%
form
powder
impurities
≤0.005% Insolubles
pH
5.0-6 (25 °C, 132 g/L)
mp
>280 °C (dec.) (lit.)
solubility
H2O: 0.667 g/mL
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
absorption
≤0.025 at 280 at 1 M
≤0.03 at 260 at 1 M
foreign activity
DNase, RNase, and protease, none detected
SMILES string
N.N.OS(O)(=O)=O
InChI
1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
InChI key
BFNBIHQBYMNNAN-UHFFFAOYSA-N
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This Item | A5132 | 901874 | A4915 |
|---|---|---|---|
| grade for molecular biology | grade - | grade anhydrous | grade ACS reagent |
| assay ≥99.0% | assay ≥99.0% | assay ≥99.0% | assay ≥99.0% |
| form powder | form powder or crystals | form powder | form powder or crystals |
| impurities ≤0.005% Insolubles | impurities - | impurities - | impurities ≤0.005% Insoluble matter |
| pH 5.0-6 (25 °C, 132 g/L) | pH 5-6 (25 °C, 132 g/L) | pH 5-6 (25 °C, 132 g/L) | pH 5.0-6.0 (25 °C, 5%) |
| mp >280 °C (dec.) (lit.) | mp >280 °C (dec.) (lit.) | mp >280 °C (dec.) (lit.) | mp >280 °C (dec.) (lit.) |
General description
Application
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.
Storage Class Code
13 - Non Combustible Solids
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
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