Description

Barium Polysulfides are a class of inorganic compounds primarily valued for their role as a high-efficiency vulcanizing agent in the rubber industry. This product is essential for manufacturers seeking to enhance the cross-linking density and thermal stability of synthetic rubbers, leading to superior mechanical properties in the final product. Key industries that rely on this material include specialty polymer manufacturing, lubricant additive formulation, and certain pyrotechnic applications.

Application

• Primary Vulcanizing Agent for synthetic rubbers like SBR (Styrene-Butadiene Rubber) and NBR (Nitrile Butadiene Rubber).
• Additive in High-Pressure Lubricants and extreme-pressure (EP) grease formulations.
• Precursor in Pyrotechnic Compositions for generating specific flame colors and effects.
• Chemical Intermediate in the synthesis of other sulfur-containing barium compounds.
• Depilatory Agent in specific leather processing and hide treatment applications.
• Component in Analytical Chemistry for certain gravimetric analysis techniques.

Basic Information

Product Name	Barium Polysulfides
CAS No.	12231-01-5
Molecular Formula	BaSx (x typically >1)
Molecular Weight	Varies by sulfur content
Synonyms	Barium Sulfide (Polysulfide); Barium Polysulfide; Barium Polysulphide; Barium Sulfide, Polysulfide Form; Thiobarium Polysulfide; Barium Sulfur Compound; Vulcanizing Agent Barium Polysulfide
EINECS	235-405-4

Quality Control

Our Barium Polysulfides are manufactured under strict process controls to ensure batch-to-batch consistency and high chemical purity. Quality is verified through a series of analytical tests including assay, sulfur content analysis, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee compliance with your technical requirements.

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 hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Yellow to brown solid or powder
Identification (IR)	Conforms
Assay (as BaSx)	≥ 95.0 %
Sulfur Content	Contact for details
Water Solubility	Partially soluble
Loss on Drying	≤ 2.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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