431540

Sigma-Aldrich

Ammonium sulfate

≥99.99% trace metals basis

Synonym(s):
Mascagnite
Linear Formula:
(NH4)2SO4
CAS Number:
Molecular Weight:
132.14
EC Number:
MDL number:
PubChem Substance ID:

assay

≥99.99% trace metals basis

impurities

≤0.005% insolubles
<100 ppm total metallic impurities

ign. residue

≤0.005%

pH range

5.0 - 6.0

mp

>280 °C (dec.) (lit.)

density

1.77 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤5 ppm
nitrate (NO3-): ≤0.001%
phosphate (PO43-): ≤5 ppm

cation traces

Fe: ≤5 ppm
heavy metals: ≤5 ppm

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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Features and Benefits

Meets A.C.S. reagent specifications.

Certificate of Analysis

Certificate of Origin

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