Description

Sulfur CAS NO 7704-34-9 is a fundamental, non-metallic chemical element essential for numerous industrial and agricultural processes. Its unique chemical properties make it a critical raw material for producing sulfuric acid, the most widely used industrial chemical in the world. This product is indispensable for manufacturers in the fertilizer, rubber vulcanization, pharmaceutical, and chemical synthesis industries, where consistent quality and reliable supply are paramount.

Application

• Sulfuric Acid Production: The primary industrial use, accounting for the majority of global sulfur consumption, for fertilizers, metal processing, and chemical manufacturing.
• Rubber Vulcanization: A key agent to improve the durability, elasticity, and thermal stability of natural and synthetic rubber for tires and industrial goods.
• Fertilizer Manufacturing: A vital component in phosphate and ammonium sulfate fertilizers to enhance crop yield and soil health.
• Pharmaceutical & Agrochemical Intermediates: Used in the synthesis of various active pharmaceutical ingredients (APIs), dyes, and pesticides.
• Pulp & Paper Industry: Employed in the sulfite and sulfate (Kraft) processes for wood pulping.
• Metal Surface Treatment: Used in pickling baths to remove oxides from steel and other metals prior to processing or coating.
• Specialty Chemicals: Serves as a precursor for carbon disulfide, sulfur dioxide, and other sulfur-containing compounds.

Basic Information

Product Name	Sulfur
CAS No.	7704-34-9
Molecular Formula	S (commonly S₈)
Molecular Weight	32.06 g/mol (for atomic S); 256.48 g/mol (for S₈)
Synonyms	Brimstone; Flowers of Sulfur; Sulfur Flour; Precipitated Sulfur; Sublimed Sulfur; Colloidal Sulfur; Elemental Sulfur; Sulphur (British English)
EINECS	231-722-6

Quality Control

Our Sulfur is produced and handled under strict quality management protocols to ensure batch-to-batch consistency and purity. We offer various grades, including technical and refined, tailored to specific industrial requirements. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources, open flames, and incompatible materials such as strong oxidizers and halogens. Keep container tightly sealed when not in use to minimize dust formation and moisture absorption.

Specification

Item	Specification
Appearance	Yellow powder or lumps
Assay (Sulfur Content)	≥ 99.5%
Ash Content	≤ 0.05%
Acidity (as H₂SO₄)	≤ 0.005%
Moisture	≤ 0.5%
Arsenic (As)	≤ 2 ppm
Selenium (Se)	≤ 10 ppm
Heavy Metals (as Pb)	≤ 10 ppm

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