Skip to Content
Merck
All Photos(1)

Documents

1.05091

Supelco

Potassium peroxodisulfate

for analysis EMSURE®

Synonym(s):

Potassium peroxodisulfate, Potassium persulfate

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
K2O8S2
CAS Number:
Molecular Weight:
270.32
MDL number:
UNSPSC Code:
12352302
EC Index Number:
231-781-8
NACRES:
NA.21

Quality Level

product line

EMSURE®

Assay

≥99.0% (iodometric)

form

solid

potency

802 mg/kg LD50, oral (Rat)

pH

3.2 (20 °C, 50 g/L in H2O)

mp

100 °C (decomposition)

solubility

50 g/L

density

2.48 g/cm3 at 20 °C

bulk density

1150 kg/m3

anion traces

chloride (Cl-): ≤0.001%

cation traces

Fe: ≤0.001%
Mn: ≤0.0001%
heavy metals (as Pb): ≤0.003%

storage temp.

2-30°C

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

InChI key

USHAGKDGDHPEEY-UHFFFAOYSA-L

Looking for similar products? Visit Product Comparison Guide

Analysis Note

Assay (iodometric): ≥ 99.0 %
Chloride (Cl): ≤ 0.001 %
Heavy metals (as Pb): ≤ 0.003 %
Fe (Iron): ≤ 0.001 %
Mn (Manganese): ≤ 0.0001 %

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

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


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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Articles

EMSURE® Grade Inorganic Solvents and Reagents offer exceptional purity and quality control, ensuring reliable, compliant results for regulated analyses.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service