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09913

Sigma-Aldrich

Ammonium persulfate

BioUltra, for molecular biology, ≥98.0% (RT)

Synonym(s):

AP, APS, Ammonium peroxodisulfate, Ammonium peroxydisulfate, PER

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About This Item

Linear Formula:
(NH4)2S2O8
CAS Number:
7727-54-0
Molecular Weight:
228.20
EC Number:
231-786-5
MDL number:
MFCD00003390
UNSPSC Code:
41105319
PubChem Substance ID:
329748861
NACRES:
NA.25

grade

for molecular biology

Quality Level

200

vapor density

7.9 (vs air)

product line

BioUltra

assay

≥98.0% (RT)

technique(s)

electrophoresis: suitable

impurities

insoluble matter, passes filter test
 phosphatases, none detected
 proteases, none detected

ign. residue

≤0.05% (as SO4)

pH

1.0-2.5 (25 °C, 1 M in H2O)

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤5 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤10 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤500 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

absorption

cut-off at 308 nm in H2O at 1 M

suitability

in accordance for electrophoresis test

SMILES string

N.N.OS(=O)(=O)OOS(O)(=O)=O

InChI

1S/2H3N.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h2*1H3;(H,1,2,3)(H,4,5,6)

InChI key

ROOXNKNUYICQNP-UHFFFAOYSA-N

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Application

Ammonium persulfate is a strong oxidizing agent frequently used with tetramethylethylenediamine (TEMED) to catalyze the polymerization of acrylamide in making polyacrylamide gels. Ammonium persulfate is used in a variety of applications that depend upon oxidation and photooxidation reactions.
Catalyst for acrylamide gel polymerization.

Other Notes

Preparation of polyacrylamide gels - polymerization catalyst

signalword

Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Ox. Sol. 3 - Resp. Sens. 1 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

5.1B - Oxidizing hazardous materials

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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This paper investigates the structure of the products obtained from the polymerization of aniline with ammonium persulfate in a citrate/phosphate buffer solution at pH 3 by resonance Raman, NMR, FTIR, and UV-vis-NIR spectroscopies. All the spectroscopic data showed that the
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Graphite intercalation compounds (GICs) can be considered stacks of individual doped graphene layers. Here we demonstrate a reversible formation of sulfuric acid-based GICs using ammonium persulfate as the chemical oxidizing agent. No covalent chemical oxidation leading to the formation of
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