Description

Potassium 4-Methylphenyltrifluoroborate is an organoboron reagent belonging to the potassium aryltrifluoroborate salt class, a valuable and stable alternative to boronic acids in cross-coupling reactions. Its primary value lies in its enhanced stability to air and moisture, facilitating easier handling and storage compared to its boronic acid counterpart. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable building blocks for Suzuki-Miyaura coupling to create complex biaryl structures.

Application

• Pharmaceutical Intermediate Synthesis: A key building block in Suzuki-Miyaura cross-coupling reactions for constructing biaryl motifs found in active pharmaceutical ingredients (APIs).
• Agrochemical Development: Used in the research and production of novel herbicides, fungicides, and insecticides that incorporate substituted phenyl groups.
• Ligand and Catalyst Preparation: Serves as a precursor for synthesizing specialized ligands and organometallic catalysts used in asymmetric synthesis.
• Material Science Research: Employed in the creation of organic electronic materials, such as polymers and small molecules for OLEDs and semiconductors.
• Chemical Library Construction: Utilized in parallel and combinatorial chemistry for the high-throughput synthesis of diverse compound libraries for screening.
• Fine Chemical Manufacturing: Acts as a versatile intermediate in the multi-step synthesis of complex fragrance and dye molecules.

Basic Information

Product Name	Potassium 4-Methylphenyltrifluoroborate
CAS No.	216434-82-1
Molecular Formula	C7H7BF3K
Molecular Weight	189.04 g/mol
Synonyms	Potassium (4-Methylphenyl)trifluoroborate; Potassium p-Tolyltrifluoroborate; 4-Methylphenyltrifluoroborate Potassium Salt; p-Tolyltrifluoroboronic Acid Potassium Salt; (4-Methylphenyl)trifluoroboronic Acid Potassium Salt; Potassium 4-Tolyltrifluoroborate; p-Methylphenyl Potassium Trifluoroborate; K-4-Tolyl-BF3
EINECS	Contact for details

Quality Control

Our Potassium 4-Methylphenyltrifluoroborate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and quality assurance.

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). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) for long-term storage and to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Purity (NMR)	≥ 95.0%
Water Content (KF)	≤ 2.0%

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