Description

Potassium Disulfide CAS NO 1336-23-8 is an inorganic salt primarily composed of potassium and sulfur, known for its role as a sulfur source and reducing agent. This compound is critical for industrial processes requiring controlled sulfur transfer or the synthesis of complex sulfur-containing molecules. It is essential for manufacturers and research facilities in sectors such as chemical synthesis, metallurgy, and specialty material production.

Application

• Chemical Synthesis: Acts as a key sulfurating agent in the production of organic sulfur compounds, dyes, and pharmaceuticals.
• Metallurgical Processes: Used in metal extraction and refining, particularly for non-ferrous metals, and in surface treatment applications.
• Analytical Chemistry: Employed as a reagent in laboratory analysis and testing procedures.
• Specialty Materials: Utilized in the research and development of advanced materials, including certain polymers and inorganic glasses.
• Agricultural Chemicals: Serves as an intermediate in the formulation of specific fungicides or soil treatments.
• Photographic Industry: Historically used in certain photographic development processes.

Basic Information

Product Name	Potassium Disulfide
CAS No.	1336-23-8
Molecular Formula	K2S2
Molecular Weight	142.33 g/mol
Synonyms	Potassium Disulphide; Dipotassium Disulfide; Potassium Polysulfide (mixture); Potassium Sulfide (K2S2); Sulfurated Potash; Liver of Sulfur; Hepar Sulfuris
EINECS	215-636-4

Quality Control

Our Potassium Disulfide is manufactured under stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, identification, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent decomposition. Keep away from strong acids and oxidizing agents.

Specification

Item	Specification
Appearance	Yellow to red-brown lumps or powder
Identification (IR)	Conforms
Assay (K2S2)	≥ 95.0 %
Water Insoluble Matter	≤ 1.0 %
Sulfide (as S2-)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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