Description

Sulphurmonofluoride CAS NO 13709-35-8 is a highly reactive inorganic compound primarily used as a specialized fluorinating and sulfonating agent in advanced chemical synthesis. Its unique reactivity profile makes it a critical reagent for introducing fluorine atoms into complex molecular structures, a process essential for developing materials with enhanced properties. This product is indispensable for R&D laboratories and industrial-scale production in the pharmaceutical, agrochemical, and specialty materials sectors, where precise fluorination is required.

Application

• Pharmaceutical Intermediate Synthesis: Key reagent for the selective fluorination of active pharmaceutical ingredients (APIs) to modify metabolic stability and bioavailability.
• Agrochemical Manufacturing: Used in the production of advanced herbicides and pesticides where fluorinated compounds exhibit superior activity and environmental persistence.
• Specialty Polymer & Material Science: Employed as a monomer or modifying agent to create fluorinated polymers with enhanced chemical resistance, thermal stability, and low surface energy.
• Electrolyte Additives for Lithium-ion Batteries: Serves as a precursor for compounds that improve the stability and performance of high-energy-density battery electrolytes.
• Fine Chemical & Catalyst Production: Utilized in the synthesis of complex organofluorine compounds and as a precursor for specialized catalysts.
• Surface Treatment & Etching: Applied in semiconductor and microelectronics fabrication for precise surface modification and etching processes.

Basic Information

Item	Detail
Product Name	Sulphurmonofluoride
CAS No.	13709-35-8
Molecular Formula	F2S2 (commonly represented for the monomeric unit; exists as a dimer in certain conditions)
Molecular Weight	102.13 g/mol (for F2S2)
Synonyms	Disulfur difluoride; Sulfur(II) fluoride; Difluorodisulfane; Thio-thionyl fluoride; Fluorosulfide; SF (as a component gas); Sulfur monofluoride (common name); Disulfur monofluoride (historical)
EINECS	Contact for details

Quality Control

Our Sulphurmonofluoride is manufactured under stringent process controls to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical techniques including Gas Chromatography (GC), FT-IR spectroscopy, and titration methods. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment. Our quality management system adheres to ISO 9001 standards, ensuring traceability and reliability for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and gaseous nature under standard conditions, it must be stored in a certified pressure-rated cylinder or vessel in a cool, well-ventilated area, away from direct heat and ignition sources. It is incompatible with strong bases and moisture. Store separately from reactive materials. Recommended storage temperature is between 2°C and 8°C to maintain stability, though specific conditions depend on the formulation and packaging.

Specification

Item	Specification
Appearance	Colorless to pale yellow gas (liquefied)
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Purity (by GC Area %)	≥ 99.0%
Moisture (KF)	≤ 0.1%
Non-volatile Residue	≤ 0.05%
Acidity (as HF)	≤ 0.01%

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