Description

Potassium 4-Vinylphenyltrifluoroborate is a versatile organoboron reagent, specifically a potassium aryltrifluoroborate salt, with the CAS number 705254-32-6. This compound is a crucial building block in modern synthetic chemistry, enabling efficient and selective carbon-carbon bond formation through Suzuki-Miyaura cross-coupling reactions. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediates: Key building block for the synthesis of active pharmaceutical ingredients (APIs) and drug candidates via palladium-catalyzed cross-coupling.
• Agrochemical Synthesis: Used in the production of novel herbicides, fungicides, and insecticides requiring specific aryl-vinyl linkages.
• Material Science & Polymers: Serves as a functional monomer or cross-linking agent in the development of specialty polymers, resins, and organic electronic materials.
• Liquid Crystal & OLED Materials: Integral to the synthesis of advanced organic molecules for display and lighting technologies.
• Chemical Research & Development: A valuable reagent for academic and industrial research in organic synthesis and methodology development.
• Fine Chemical Production: Employed in the manufacture of complex, high-value specialty chemicals and flavors/fragrances.

Basic Information

Item	Detail
Product Name	Potassium 4-Vinylphenyltrifluoroborate
CAS No.	705254-32-6
Molecular Formula	C8H7BF3K
Molecular Weight	210.05 g/mol
Synonyms	Potassium (4-Vinylphenyl)trifluoroborate; 4-Vinylphenyltrifluoroborate Potassium Salt; Potassium 4-Ethenylphenyltrifluoroboranuide; (4-Vinylphenyl)trifluoroboronic Acid Potassium Salt; 4-Vinylbenzenetrifluoroboronic Acid Potassium Salt; 705254-32-6; Potassium 4-Vinylbenzenetrifluoroborate
EINECS	Contact for details

Quality Control

Our Potassium 4-Vinylphenyltrifluoroborate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and elemental analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing lot-specific results are provided with every shipment to support your quality assurance protocols.

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 reactivity.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95%
Water Content (KF)	≤ 2.0%
NMR Purity (1H, 19F, 11B)	Conforms

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