Skip to Content
Merck
CN

Key Documents

View All Documentation

12665

Potassium (poly)sulfide

≥42% K2S basis

Synonym(s):

Potassium polysulfide

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
K2S/n
CAS Number:
37199-66-9
UNSPSC Code:
12352302
NACRES:
NA.22
EC Number:
253-390-1
MDL number:
MFCD00148074
Form:
solid
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Segment

100

form

solid

concentration

≥42% (K2S)

SMILES string

[K+].S

InChI

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

InChI key

ZOCLAPYLSUCOGI-UHFFFAOYSA-N

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.

signalword

Danger

Hazard Classifications

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

target_organs

Respiratory system

supp_hazards

EUH031

Storage Class

4.2 - Pyrophoric and self-heating hazardous materials

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

It looks like we've run into a problem, but you can still download Certificates of Analysis from our Documents section.

If you need assistance, please contact Customer Support

Already Own This Product?

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

Visit the Document Library