Description

Cyclic Octaatomic Sulfur CAS NO 10544-50-0 is the most stable allotrope of elemental sulfur, characterized by its iconic crown-shaped S₈ ring structure. This fundamental chemical serves as a critical raw material and precursor for synthesizing a vast array of sulfur-containing compounds across multiple industries. It is essential for manufacturers and R&D facilities requiring a reliable, high-purity source of elemental sulfur for chemical synthesis and material modification.

Application

• Chemical Synthesis: Primary feedstock for producing sulfur derivatives like sulfur chlorides (S₂Cl₂, SCl₂), sulfuric acid, and various organosulfur compounds.
• Agrochemical Production: Key raw material in the manufacture of fungicides, insecticides, and sulfur-based fertilizers.
• Rubber Vulcanization: Used as a vulcanizing agent to cross-link polymer chains, enhancing the elasticity, durability, and thermal stability of natural and synthetic rubber.
• Pharmaceutical Intermediates: Serves as a building block for synthesizing active pharmaceutical ingredients (APIs) and intermediates containing sulfur heterocycles.
• Battery Technology: Investigated and utilized as a cathode material in lithium-sulfur (Li-S) batteries due to its high theoretical energy density.
• Specialty Materials: Used in the production of optical glasses, infrared-transmitting materials, and certain types of concrete and asphalt modifiers.
• Laboratory Reagent: Employed as a standard or reagent in analytical chemistry, educational demonstrations, and fundamental chemical research.

Basic Information

Product Name	Cyclic Octaatomic Sulfur
CAS No.	10544-50-0
Molecular Formula	S₈
Molecular Weight	256.52 g/mol
Synonyms	Cyclooctasulfur; Octasulfur; Rhombic Sulfur; α-Sulfur; Orthorhombic Sulfur; Sulfur, Cyclic Octaatomic; Sulfur (S₈); Brimstone; Elemental Sulfur
EINECS	234-129-0

Quality Control

Our Cyclic Octaatomic Sulfur is produced and handled under stringent quality management protocols to ensure batch-to-batch consistency and purity. We offer various grades, including Technical and High-Purity, tailored to specific application requirements. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

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 oxidizers and bases. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize dust formation and moisture absorption.

Specification

Item	Specification
Appearance	Bright yellow powder or crystals
Identification (IR)	Conforms to standard
Assay (S₈)	≥ 99.5%
Melting Point	119 - 121 °C
Residue on Ignition	≤ 0.05%
Heavy Metals (as Pb)	≤ 10 ppm
Acidity (as H₂SO₄)	≤ 0.005%

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