Description

Potassium (Poly)Sulfide is an inorganic chemical compound with versatile reactivity, primarily valued for its role as a sulfur transfer agent and reducing agent in industrial synthesis. This compound is essential for processes requiring controlled sulfur incorporation or selective reduction. It finds significant utility across several key industries, including the production of specialty chemicals, pharmaceuticals, and agrochemical intermediates, where its unique reactivity profile enables critical synthetic transformations.

Application

• Sulfurization Agent in Organic Synthesis: Used for introducing sulfur atoms into organic molecules to create thiols, sulfides, and other sulfur-containing compounds.
• Precursor in Metal Sulfide Production: Serves as a key reagent in the synthesis of metal sulfide nanoparticles and thin films for applications in electronics and catalysis.
• Depilatory Agent in Leather Processing: Employed in the leather tanning industry for hair removal from hides.
• Analytical Chemistry Reagent: Utilized in specific qualitative and quantitative analytical methods for detecting certain metal ions.
• Component in Photographic Emulsions: Acts in certain photographic processes as a sensitizing agent.
• Agricultural Chemical Intermediate: Used in the synthesis of certain fungicides and pesticides.

Basic Information

Product Name	Potassium (Poly)Sulfide
CAS No.	37199-66-9
Molecular Formula	K2Sx (x > 1)
Molecular Weight	Variable (based on sulfur chain length)
Synonyms	Potassium Polysulfide; Potassium Sulfide (Polysulfide); Dipotassium Polysulfide; Potassium Polysulfides; Potassium Sulfide, Polysulfide; K2Sx; Potassium Hydrogen Sulfide (mixtures); Sulfurated Potash (related mixtures)
EINECS	Contact for details

Quality Control

Our Potassium (Poly)Sulfide is manufactured under stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistency and meets the agreed-upon technical specifications. A detailed Certificate of Analysis (COA), documenting key parameters such as active sulfur content, potassium content, and impurity profiles, is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Due to its sensitivity to moisture and air, prolonged exposure to the atmosphere should be avoided to prevent oxidation and degradation. Recommended storage temperature is 15-25°C.

Specification

Item	Specification
Appearance	Yellow to reddish-brown lumps or flakes
Identification (IR)	Conforms
Assay (as K2Sx)	≥ 95.0 %
Active Sulfur Content	Contact for details
Water Insolubles	≤ 0.5 %
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.