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Merck
CN

24-5220

Potassium peroxodisulfate

JIS special grade, ≥98.0%

Synonym(s):

Potassium persulfate

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About This Item

Linear Formula:
K2S2O8
CAS Number:
7727-21-1
Molecular Weight:
270.32
UNSPSC Code:
12352302
PubChem Substance ID:
329752688
EC Number:
231-781-8
MDL number:
MFCD00011386
Assay:
≥98.0%
Grade:
JIS special grade
Form:
powder

Key Documents

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Product Name

Potassium peroxodisulfate, JIS special grade, ≥98.0%

InChI key

USHAGKDGDHPEEY-UHFFFAOYSA-L

InChI

1S/2K.H2O8S2/c;;1-9(2,3)7-8-10(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2

SMILES string

[K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O

grade

JIS special grade

assay

≥98.0%

form

powder

reaction suitability

reagent type: oxidant

availability

available only in Japan

pH

2.5-4.5 (25 °C, 27 g/L)

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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

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
U7541
A6549
U2427
U0258
A1262

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Bernaurdshaw Neppolian et al.
Water research, 44(12), 3687-3695 (2010-04-27)
The sonochemical oxidation of As(III) in the presence of peroxydisulfate ion (PDS) has been investigated. Sulfate anion radicals and OH radicals produced during acoustic cavitation readily oxidized As(III) to As(V) in an aqueous environment. The rate of oxidation of As(III)
Huan Niu et al.
Biosensors & bioelectronics, 26(7), 3175-3180 (2011-01-18)
A novel label free electrochemiluminescence (ECL) immunosensor based on the ECL of peroxydisulfate solution for detection of α-1-fetoprotein (AFP) has been developed. For this proposed immunosensor, L-cysteine was firstly electrodeposited on the gold electrode surface, which promoted the electron transfer
Harriet Mörtstedt et al.
Rapid communications in mass spectrometry : RCM, 25(2), 327-340 (2010-12-31)
Oxidative stress has been suggested as an underlying mechanism of many human diseases. However, definitive evidence for this association has not been presented due to different shortcomings of the methods used to measure biomarkers of oxidative stress. Persulfates are oxidizing
Zhiyong Yang et al.
The Journal of organic chemistry, 77(16), 7086-7091 (2012-07-28)
Nontransition metal-catalyzed synthesis of 2-aryl benzothiazoles was achieved through K(2)S(2)O(8)-mediated oxidative condensation of benzothiazoles with aryl aldehydes. The same transformation can also be effected when the aryl aldehydes were replaced with phenylglyoxylic acids.
Xiuping Zhu et al.
Environmental science & technology, 48(12), 7157-7163 (2014-05-28)
Several technologies, including pressure-retarded osmosis (PRO), reverse electrodialysis (RED), and capacitive mixing (CapMix), are being developed to recover energy from salinity gradients. Here, we present a new approach to capture salinity gradient energy based on the expansion and contraction properties
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