Description

4-(Pentafluorosulfanyl)Phenyl Isocyanate is a specialized aromatic isocyanate derivative featuring a unique pentafluorosulfanyl (SF5) substituent. This compound is valued for its role as a high-performance building block in advanced material synthesis, where the SF5 group imparts exceptional thermal stability, chemical resistance, and hydrophobic character. It is primarily sought by R&D and production chemists in the agrochemical, pharmaceutical, and specialty polymer industries for creating novel active ingredients and high-value functional materials.

Application

• Agrochemical Intermediates: A key precursor for synthesizing novel herbicides, fungicides, and insecticides, where the SF5 group enhances biological activity and environmental stability.
• Pharmaceutical Building Blocks: Used in medicinal chemistry to develop active pharmaceutical ingredients (APIs) with improved metabolic stability and bioavailability.
• Specialty Polymers & Coatings: Serves as a monomer for producing polyurethanes and polyurea coatings with superior chemical, thermal, and weathering resistance for demanding industrial applications.
• Liquid Crystal & Electronic Materials: Incorporated into the molecular design of advanced liquid crystals and electronic materials to fine-tune dielectric properties and molecular alignment.
• Cross-linking Agent: Functions as an efficient cross-linker for resins and polymers, enhancing mechanical strength and durability in composite materials.
• Organic Synthesis Reagent: Employed in academic and industrial research laboratories for the introduction of the SF5-phenylurethane moiety into complex organic molecules.

Basic Information

Product Name	4-(Pentafluorosulfanyl)Phenyl Isocyanate
CAS No.	159689-43-7
Molecular Formula	C7H2F5NO2S
Molecular Weight	259.16 g/mol
Synonyms	p-(Pentafluorosulfanyl)phenyl isocyanate; 4-Isocyanatophenylsulfur pentafluoride; 1-Isocyanato-4-(pentafluoro-λ6-sulfanyl)benzene; SF5-Phenyl Isocyanate; (Pentafluorosulfanyl)benzene-4-isocyanate; 4-SF5-Phenyl Isocyanate; 4-(SF5)C6H4NCO
EINECS	Contact for details

Quality Control

Our 4-(Pentafluorosulfanyl)Phenyl Isocyanate is manufactured under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for reliable supply to research and industrial-scale applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 2-8°C under an inert atmosphere (e.g., nitrogen or argon) due to its moisture-sensitive and light-sensitive nature. Keep away from heat, open flames, and incompatible materials such as alcohols, amines, and water.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~1.6 g/cm³

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