MilliporeSigma
All Photos(1)

Documents

12665

Sigma-Aldrich

Potassium (poly)sulfide

≥42% K2S basis

Sign Into View Organizational & Contract Pricing

Select a Size

Change View

Select a Size

Change View
Synonym(s):
Potassium polysulfide
Linear Formula:
K2S/n
CAS Number:
EC Number:
MDL number:
NACRES:
NA.22

Quality Level

form

solid

concentration

≥42% (K2S)

InChI

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

InChI key

ZOCLAPYLSUCOGI-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
60528PX146712669
Potassium (poly)sulfide ≥42% K2S basis

Sigma-Aldrich

12665

Potassium (poly)sulfide

-
Potassium sulfate BioUltra, ≥99.0% (AT)

Sigma-Aldrich

60528

Potassium sulfate

Premium Grade
Potassium Fluoride Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Supelco

PX1467

Potassium Fluoride

-
Potassium thiosulfate ≥95%

Sigma-Aldrich

12669

Potassium thiosulfate

-
Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

concentration

≥42% (K2S)

concentration

-

concentration

-

concentration

-

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

Hazard Classifications

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

Target Organs

Respiratory system

Supplementary Hazards

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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?

Documents related to the products that you have purchased in the past have been gathered in the Document Library for your convenience.

Visit the Document Library

Difficulty Finding Your Product Or Lot/Batch Number?

Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).

Example:

T1503
Product Number
-
25G
Pack Size/Quantity

Additional examples:

705578-5MG-PW

PL860-CGA/SHF-1EA

MMYOMAG-74K-13

1000309185

enter as 1.000309185)

Having trouble? Feel free to contact Technical Service for assistance.

Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

Not Finding What You Are Looking For?

In some cases, a COA may not be available online. If your search was unable to find the COA you can request one.

Request COA

Customers Also Viewed

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)
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)

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