Description

Trifluoromethyl 4-Methylbenzenesulfonate is a high-value organosulfur and organofluorine building block, specifically a sulfonate ester derivative. Its core value proposition lies in its ability to act as a versatile trifluoromethylating agent and a protected sulfonic acid precursor in advanced synthetic chemistry. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and materials science industries who require the introduction of the metabolically stable and lipophilic trifluoromethyl group into complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key reagent for the synthesis of active pharmaceutical ingredients (APIs) containing the trifluoromethyl group, enhancing metabolic stability and bioavailability.
• Agrochemical Synthesis: Used in creating advanced herbicides, fungicides, and insecticides where the CF₃ group improves biological activity and environmental persistence.
• Material Science: Building block for specialty polymers, liquid crystals, and electronic materials requiring specific fluorinated components.
• Organic Synthesis Reagent: Acts as an electrophile in nucleophilic substitution reactions to transfer the -SO₂OTol moiety or as a precursor to generate trifluoromethyl radicals.
• Cross-Coupling Reactions: Employed in palladium-catalyzed cross-coupling processes for the construction of C-C and C-heteroatom bonds in complex molecules.
• Labeling and Tracer Compounds: Useful in the synthesis of compounds for positron emission tomography (PET) and other diagnostic applications utilizing fluorine-18.

Basic Information

Item	Details
Product Name	Trifluoromethyl 4-Methylbenzenesulfonate
CAS No.	175676-42-3
Molecular Formula	C₉H₉F₃O₃S
Molecular Weight	254.22 g/mol
Synonyms	p-Toluenesulfonyl Trifluoromethane; Trifluoromethanesulfonic Acid p-Tolyl Ester; 4-Methylbenzenesulfonyl Trifluoromethane; Tosyl Trifluoromethane; α,α,α-Trifluoro-p-toluenesulfonate; (Trifluoromethylsulfonyloxy)benzene, 4-methyl-; CF3SO2OTol
EINECS	Contact for details

Quality Control

Our Trifluoromethyl 4-Methylbenzenesulfonate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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