Ammonium sulfate

grade

for molecular biology

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