Merck
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A3678

Sigma-Aldrich

Ammonium persulfate

for molecular biology, suitable for electrophoresis, ≥98%

Synonym(s):
AP, APS, Ammonium peroxodisulfate, Ammonium peroxydisulfate, PER
Linear Formula:
(NH4)2S2O8
CAS Number:
Molecular Weight:
228.20
EC Number:
MDL number:
eCl@ss:
38030421
PubChem Substance ID:
NACRES:
NB.22

grade

for molecular biology

Quality Level

vapor density

7.9 (vs air)

assay

≥98%

form

powder

reaction suitability

reagent type: oxidant

technique(s)

electrophoresis: suitable

anion traces

chloride (Cl-): <10 ppm

cation traces

Fe: <10 ppm
heavy metals (as Pb): <50 ppm

foreign activity

DNAse, none detected
Protease, none detected
RNAse, none detected

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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General description

Ammonium persulfate (APS) is a widely used reagent in biochemistry and molecular biology for the preparation of polyacrylamide gels. APS forms oxygen free radicals in aqueous solution by a base-catalyzed mechanism. The bases, most commonly used as catalysts, are tertiary amines such as TEMED (N,N,N′,N′-tetramethylethylenediamine) or DMAPN (3-dimethylaminopropionitrile). The free radicals will cause the polymerization of acrylamide and bis-acrylamide to form a gel matrix, which can be used for separating macromolecules by size. APS has also been utilized to study protein-protein interactions via photoinitiated crosslinking chemistry.

Application

Ammonium persulfate has been used for the preparation of polyacrylamide gels and acrylamide hydrogels.
Catalyst for acrylamide gel polymerization.

Packaging

25, 100 g in poly bottle

Analysis Note

Tested for use in acrylamide polymerization.

Signal Word

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 Code

5.1B - Oxidizing hazardous materials

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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Product Information Sheet

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