Description

Potassium 4-(Methylthio)Phenyltrifluoroborate is a versatile and highly valuable organoboron reagent, specifically an aryltrifluoroborate salt. This compound is prized for its exceptional stability and reactivity, making it a superior alternative to traditional boronic acids in cross-coupling reactions. It is a critical building block for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, enabling the efficient synthesis of complex molecules.

Application

• Pharmaceutical Intermediate: A key precursor in Suzuki-Miyaura cross-coupling reactions for constructing biaryl and heterobiaryl scaffolds found in active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging the (methylthio)phenyl moiety for specific biological activity.
• Material Science Research: Serves as a monomer or functionalization agent in the creation of organic electronic materials, such as OLEDs and conductive polymers.
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands for transition metal catalysis and organometallic complexes.
• Chemical Biology Probes: Utilized for bioconjugation and labeling applications due to its selective reactivity under mild conditions.
• Custom Synthesis and R&D: An essential tool for contract research organizations (CROs) and academic laboratories exploring new synthetic methodologies.

Basic Information

Product Name	Potassium 4-(Methylthio)Phenyltrifluoroborate
CAS No.	871231-43-5
Molecular Formula	C7H7BF3KSS
Molecular Weight	250.11 g/mol
Synonyms	Potassium (4-Methylthiophenyl)trifluoroborate; 4-(Methylthio)benzenetrifluoroboronic Acid Potassium Salt; Potassium [(4-Methylsulfanyl)phenyl]trifluoroboranuide; (4-Methylthiophenyl)trifluoroborate Potassium Salt; 4-Methylthiophenyltrifluoroboronic Acid K Salt; 4-(Methylmercapto)phenyltrifluoroborate Potassium; p-(Methylthio)phenyltrifluoroborate Potassium Salt
EINECS	Contact for details

Quality Control

Our Potassium 4-(Methylthio)Phenyltrifluoroborate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and elemental analysis, to ensure high purity and batch-to-batch consistency. We provide comprehensive Certificates of Analysis (COA) with all shipments, detailing specifications for identity, assay, and impurity profiles to support your quality and regulatory requirements.

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 material is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) in a desiccator for long-term storage to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.5%

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