Potassium Pentasulfide) CAS NO 12136-50-4

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CAS No.:12136-50-4

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

Potassium Pentasulfide is an inorganic chemical compound primarily used as a versatile sulfur source and reducing agent in industrial synthesis. Its reactivity makes it a critical intermediate for producing specialty chemicals and materials where controlled sulfur incorporation is required. This product is essential for manufacturers in sectors such as lubricant additives, battery materials, and fine chemical synthesis, who require a reliable and consistent high-purity sulfur donor.

Application

As a key sulfurating agent in the synthesis of organosulfur compounds and lubricant additives.
In the production of specialty glasses and infrared-transmitting optical materials.
As a precursor in the manufacturing of certain types of solid-state electrolytes and battery materials.
In chemical research and development as a versatile reagent for inorganic and materials synthesis.
For the preparation of other metal polysulfides used in various industrial processes.
In specific metallurgical applications as a sulfidizing agent.

Basic Information


Product Name	Potassium Pentasulfide
CAS No.	12136-50-4
Molecular Formula	K2S5
Molecular Weight	270.52 g/mol
Synonyms	Dipotassium pentasulfide; Potassium polysulfide (K2S5); Dipotassium pentasulphide; Potassium sulfide (K2S5); K2S5; Sulfurated potash (related); Potassium pentasulphide
EINECS	235-259-9

Quality Control

Our Potassium Pentasulfide is manufactured under controlled conditions to ensure batch-to-batch consistency and high purity. Quality is verified through a suite of analytical techniques including titration for assay and identification by FT-IR. A Certificate of Analysis (COA) detailing purity, physical characteristics, and other relevant parameters is provided with each shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent contact with atmospheric moisture. As the material is easily oxidized, storage under an inert atmosphere such as nitrogen or argon is strongly recommended for long-term stability.

Specification

Item	Specification
Appearance	Yellow to orange-red crystalline solid or lumps
Identification (IR)	Conforms
Assay (as K2S5)	≥ 95.0 %
Water Insoluble Matter	≤ 1.0 %
Sulfide Sulfur (as S)	Contact for details