Description

4-Methylphenylsulphur Pentafluoride is a specialized organosulfur pentafluoride compound, serving as a high-value building block in advanced chemical synthesis. Its unique structure, featuring a pentafluorosulfur (-SF5) group, is prized for imparting exceptional thermal stability, chemical inertness, and lipophilicity to target molecules. This makes it a critical reagent for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where it is used to create novel compounds with enhanced properties.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing active pharmaceutical ingredients (APIs), particularly where the -SF5 group is used as a metabolically stable bioisostere.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides with improved efficacy and environmental profiles.
• Liquid Crystal & OLED Materials: Serves as a precursor for creating advanced electronic materials due to the -SF5 group's influence on polarity and stability.
• Polymer & Material Science: Incorporated into specialty polymers to enhance thermal stability, chemical resistance, and surface properties.
• Organic Synthesis & Catalysis: A versatile reagent in fluorination chemistry and for introducing the pentafluorosulfanyl moiety into complex organic frameworks.
• Research & Development: Essential compound for academic and industrial R&D focused on fluorine chemistry and novel material discovery.

Basic Information

Product Name	4-Methylphenylsulphur Pentafluoride
CAS No.	203126-21-0
Molecular Formula	C7H7F5S
Molecular Weight	218.19 g/mol
Synonyms	p-Tolylsulfur Pentafluoride; 4-Methylbenzenesulfonyl Pentafluoride; (4-Methylphenyl)sulfur Pentafluoride; 1-Methyl-4-(pentafluoro-λ6-sulfanyl)benzene; 4-Methylphenyl SF5; p-Tolyl SF5; p-Methylphenylsulfur Pentafluoride; alpha,alpha,alpha,alpha,α-Pentafluoro-4-methylbenzenesulfane
EINECS	Contact for details

Quality Control

Our 4-Methylphenylsulphur Pentafluoride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to maintain stability and prevent decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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