Description

3-Methyl-5-(Pentafluorosulfur)Benzoic Acid is a high-value, fluorinated aromatic building block characterized by its unique pentafluorosulfur (SF5) substituent, which imparts exceptional chemical stability, lipophilicity, and electronic properties. This compound is critical for advanced research and development in life sciences and materials chemistry, where its distinct structure enables the fine-tuning of molecular properties. It is primarily sought by pharmaceutical researchers for medicinal chemistry and by agrochemical developers for creating novel active ingredients.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the development of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) and metabolic diseases.
• Agrochemical Research: Used in the synthesis of next-generation herbicides, fungicides, and insecticides, where the SF5 group enhances biological activity and environmental stability.
• Liquid Crystal & OLED Materials: Acts as a precursor for fluorinated components in electronic display technologies and organic light-emitting diodes (OLEDs) to improve performance and durability.
• Polymer Modification: Incorporated into specialty polymers to enhance thermal stability, chemical resistance, and surface properties for high-performance coatings and engineering plastics.
• Positron Emission Tomography (PET) Tracers: Utilized in radiochemistry for labeling compounds with fluorine-18, aiding in diagnostic imaging and biomedical research.
• Ligand & Catalyst Development: Employed in organometallic chemistry to create novel ligands and catalysts for asymmetric synthesis and cross-coupling reactions.

Basic Information

Product Name	3-Methyl-5-(Pentafluorosulfur)Benzoic Acid
CAS No.	1240257-00-4
Molecular Formula	C8H5F5O2S
Molecular Weight	260.18 g/mol
Synonyms	3-Methyl-5-(pentafluoro-λ6-sulfanyl)benzoic acid; 5-(Pentafluorosulfur)-3-methylbenzoic Acid; Benzoic acid, 3-methyl-5-(pentafluorosulfanyl)-; SF5-Benzoic Acid Derivative; 3-Methyl-5-SF5-benzoic acid
EINECS	Contact for details

Quality Control

Our 3-Methyl-5-(Pentafluorosulfur)Benzoic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR for structural confirmation, and KF titration for moisture content. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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