Ammonium sulfate

grade

ACS reagent

Quality Level

200

Assay

≥99.0%

form

powder or crystals

impurities

≤0.005% Insoluble matter

ign. residue

≤0.005%

pH

5.0-6.0 (25 °C 5%)

mp

>280 °C (dec.) (lit.)

solubility

water: soluble 132 g/L at 20 °C

density

1.77 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^–): ≤5 ppm
nitrate (NO₃^–): ≤0.001%
phosphate (PO₄^3-): ≤5 ppm

cation traces

Fe: ≤5 ppm
heavy metals: ≤5 ppm (by ICP-OES)

storage temp.

room temp

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