Description

Potassium Sulfide CAS NO 37248-34-3 is an inorganic salt widely used as a key sulfur source and reducing agent in industrial processes. Its reactivity makes it a critical component for applications ranging from metal treatment to specialty chemical synthesis. This product is essential for manufacturers and R&D facilities in sectors such as mining, textiles, and fine chemicals, where consistent quality and reliable supply are paramount.

Application

• Metal Treatment & Surface Finishing: Used in metal processing for surface cleaning, etching, and as a component in certain plating baths.
• Analytical Chemistry & Laboratory Reagent: Serves as a reagent in qualitative inorganic analysis and other laboratory procedures.
• Textile Industry: Employed in specific dyeing and finishing processes, particularly as a reducing agent or sulfur source.
• Chemical Synthesis: Acts as a sulfur donor or reducing agent in the production of various organic and inorganic compounds.
• Leather Processing: Utilized in certain stages of leather tanning and depilation.
• Photography (Historical Processes): Used in some traditional photographic development techniques.
• Mineral Flotation: Applied in the mining industry as a flotation agent for certain ores.
• Research & Development: A versatile chemical for experimental synthesis and process development across multiple fields.

Basic Information

Product Name	Potassium Sulfide
CAS No.	37248-34-3
Molecular Formula	K2S
Molecular Weight	110.26 g/mol
Synonyms	Dipotassium sulfide; Dipotassium monosulfide; Potassium monosulfide; Sulfurated potash (general term); Thioxopotassium; Kalium sulfid; CAS 1312-73-8 (for the anhydrous form)
EINECS	Contact for details

Quality Control

Our Potassium Sulfide is manufactured under strict quality control protocols to ensure batch-to-batch consistency and reliability. We provide comprehensive quality assurance, with product specifications meeting relevant industrial standards. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is available for every batch upon request.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, store in a cool, dry, and well-ventilated place. For long-term stability, it is recommended to store under an inert atmosphere to prevent oxidation. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to red-brown lumps or fused mass
Identification (IR)	Conforms
Assay (K2S)	≥ 90.0 %
Water Insoluble Matter	≤ 1.0 %
Sulfide (as S2-)	Contact for details
Potassium (K)	Contact for details

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