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Merck
CN

71890

Sodium persulfate

purum p.a., ≥98% (RT)

Synonym(s):

Sodium peroxodisulfate

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About This Item

Linear Formula:
Na2S2O8
CAS Number:
Molecular Weight:
238.10
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352302
EC Number:
231-892-1
MDL number:
Assay:
≥98% (RT)
Form:
powder or crystals
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Product Name

Sodium persulfate, purum p.a., ≥98% (RT)

pH

2.5-4

InChI key

CHQMHPLRPQMAMX-UHFFFAOYSA-L

InChI

1S/2Na.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

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

vapor pressure

<0.0001 hPa

grade

purum p.a.

assay

≥98% (RT)

form

powder or crystals

reaction suitability

reagent type: oxidant

anion traces

chloride (Cl-): ≤50 mg/kg

cation traces

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

Quality Level

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Application

Sodium persulfate (Sodium peroxodisulfate) may be employed as an oxidizing reagent for the palladium-catalyzed C-H bond functionalization reaction of O-phenylcarbamates with arenes. It may be used to compose the initiator solution required for the preparation of hydroxyethyl methacrylate (HEMA) gel disks.

General description

Sodium persulfate (Sodium peroxodisulfate) is an inorganic sodium salt. It is a cheap, eco-friendly oxidizing reagent. It is widely employed in bleaches and hair-coloring formulations.

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Danger

Hazard Classifications

Acute Tox. 4 Oral - 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

Regulatory Information

危险化学品
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Esther Eljarrat-Binstock et al.
Investigative ophthalmology & visual science, 45(8), 2543-2548 (2004-07-28)
To assess the corneal iontophoretic delivery of gentamicin by drug-loaded hydrogel probe, and to determine the resultant ocular disposition and elimination of the drug from the cornea and anterior chamber. Corneal iontophoresis of gentamicin sulfate was studied in healthy white
Mushtaque Ahmad et al.
Journal of contaminant hydrology, 115(1-4), 34-45 (2010-05-05)
Persulfate dynamics in the presence of subsurface minerals was investigated as a basis for understanding persulfate activation for in situ chemical oxidation (ISCO). The mineral-mediated decomposition of persulfate and generation of oxidants and reductants was investigated with four iron and
N Sabri et al.
The Science of the total environment, 427-428, 382-389 (2012-05-15)
The objective of this work was to evaluate the removal of ibuprofen (IBP) using the oxidants hydrogen peroxide (H(2)O(2)) and sodium persulfate (Na(2)S(2)O(8)). The ability of magnetite (Fe(3)O(4)) to activate persulfate (PS) and H(2)O(2) for the oxidation of IBP at
Chenju Liang et al.
Water research, 42(15), 4091-4100 (2008-08-23)
The present study focused on evaluation of activated persulfate (PS) anion (S(2)O(8)(2-)) oxidative degradation of benzene, toluene, ethylbenzene, and xylene (constituents of gasoline and known collectively as BTEX) contamination. The results indicated that BTEX were effectively oxidized by PS in
Richard L Johnson et al.
Environmental science & technology, 42(24), 9350-9356 (2009-01-30)
Contaminant destruction with in situ chemical oxidation (ISCO) using persulfate (peroxydisulfate, S2O8(2-)) can be enhanced by activation, which increases the rate of persulfate decomposition to sulfate radicals (SO4*-). This step initiates a chain of radical reactions involving species (including SO4*-

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