Description

Potassium 3-Thiophenetrifluoroborate is an organoboron reagent belonging to the potassium trifluoroborate salt class, valued for its enhanced stability and handling properties compared to boronic acids. This compound serves as a crucial coupling partner in Suzuki-Miyaura cross-coupling reactions, enabling the efficient synthesis of complex biaryl and heteroaryl structures. It is primarily utilized by researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries for constructing novel molecular scaffolds.

Application

• Pharmaceutical Intermediate Synthesis: A key building block for constructing thiophene-containing active pharmaceutical ingredients (APIs) and drug candidates via palladium-catalyzed cross-coupling.
• Agrochemical Development: Used in the research and production of novel herbicides, fungicides, and insecticides that incorporate the thiophene heterocycle.
• Material Science & OLEDs: Employed in the synthesis of conjugated polymers and small-molecule organic semiconductors for electronic devices, including organic light-emitting diodes (OLEDs).
• Ligand & Catalyst Preparation: Serves as a precursor for synthesizing specialized ligands and organometallic catalysts used in homogeneous catalysis.
• Chemical Research & Library Synthesis: Facilitates high-throughput and parallel synthesis in medicinal chemistry for creating diverse compound libraries.
• Fine Chemical Manufacturing: Applied in the custom synthesis of complex, high-value specialty chemicals for various industrial applications.

Basic Information

Product Name	Potassium 3-Thiophenetrifluoroborate
CAS No.	192863-37-9
Molecular Formula	C4H3BF3KS
Molecular Weight	197.04 g/mol
Synonyms	3-Thienyltrifluoroborate Potassium Salt; Potassium 3-Thienyltrifluoroborate; 3-Thiopheneboronic Acid Trifluoroborate Potassium Salt; Potassium (3-Thienyl)trifluoroborate; 3-Thienyl-BF3K; 3-Thiophene Boronic Acid Trifluoroborate Potassium Complex; Potassium 3-Thienyl-BF3
EINECS	Contact for details

Quality Control

Our Potassium 3-Thiophenetrifluoroborate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for sensitive synthetic applications. We provide comprehensive Certificates of Analysis (COA) with each batch, detailing key parameters such as assay (NMR), purity (HPLC), and moisture content (KF). Our quality system is designed to meet the stringent requirements of research and development as well as scale-up production.

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) for long-term storage to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Assay (NMR)	≥ 95.0%
Water Content (KF)	≤ 1.0%

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