12665

Sigma-Aldrich

Potassium (poly)sulfide

≥42% K2S basis

Linear Formula:
K2S/n
CAS Number:
EC Number:
MDL number:
NACRES:
NA.22

Quality Level

assay

≥42% K2S basis

InChI

1S/K.H2S/h;1H2/q+1;

InChI key

ZOCLAPYLSUCOGI-UHFFFAOYSA-N

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Application

Potassium polysulfide shows high aqueous solubility and can act as high energy density half-cells for secondary electrochemical storage systems. It can be used as a sulfur source for synthesizing sulfur nanoparticles.

Signal Word

Danger

Hazard Statements

hazcat

Aquatic Acute 1 - Eye Dam. 1 - Self-heat. 2 - Skin Corr. 1B - STOT SE 3

Target Organs

Respiratory system

Supp Hazards

EUH031

storage_class_code

4.2 - Pyrophoric and self-heating hazardous materials

WGK Germany

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

Certificate of Analysis

Certificate of Origin

Production of sulfur nanoparticles from aqueous solution of potassium polysulfide.
Massalimov I A, et al.
Russian Journal of Applied Chemistry, 85(12), 1832-1837 (2012)
An energetic medium for electrochemical storage utilizing the high aqueous solubility of potassium polysulfide.
Licht S.
Journal of the Electrochemical Society, 134(9), 2137-2141 (1987)

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