Ammonium sulfate, for molecular biology, >=99.0%

Code: a4418-500g D2-231

Application

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 fr...

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$82.80 500G

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OVERVIEW
SPECIFICATIONS
DOCUMENTS
RANGE
ATTRIBUTES

Application

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.

General description

Ammonium sulfate is commonly used in agriculture as a nitrogen fertilizer. In aqueous solution, it dissociates to form ammonium and sulfate ions.

Packaging

5 kg in poly drum

100, 500 g in poly bottle

1 kg in poly bottle

absorption	≤0.03 at 260 at 1 M, ≤0.025 at 280 at 1 M
anion traces	chloride (Cl^-): ≤5 ppm
assay	≥99.0%
cation traces	heavy metals (as Pb): ≤2 ppm, Fe: ≤5 ppm, Cu: ≤5 ppm, Zn: ≤5 ppm
density	1.77 g/mL at 25 °C (lit.)
foreign activity	DNase, RNase, and protease, none detected
form	powder
grade	for molecular biology
impurities	≤0.005% Insolubles
InChI key	BFNBIHQBYMNNAN-UHFFFAOYSA-N
InChI	1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)
mp	>280 °C (dec.) (lit.)
pH	5.0-6 (25 °C, 132 g/L)
Quality Level	200
SMILES string	N.N.OS(O)(=O)=O
solubility	H₂O: 0.667 g/mL