Description

Potassium Propa-1,2-Dienyltrifluoroborate is a high-purity organoboron reagent, specifically a potassium trifluoroborate salt of an allene. This compound is valued for its enhanced stability and handling properties compared to traditional boronic acids, making it a crucial building block in modern synthetic chemistry. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures through robust cross-coupling reactions.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A key reagent for forming carbon-carbon bonds in the synthesis of complex organic molecules, particularly in pharmaceutical intermediates.
• Pharmaceutical Research & Development: Used in the discovery and process development of new active pharmaceutical ingredients (APIs), especially those containing allene or other unsaturated motifs.
• Agrochemical Synthesis: Employed in creating novel herbicides, fungicides, and insecticides that require specific, stereodefined structures.
• Material Science: Serves as a precursor for developing functional polymers and organic electronic materials with unique properties.
• Chemical Biology & Probe Development: Useful for incorporating stable boron-containing tags or allene functionalities into biomolecules for study.
• Process Chemistry & Scale-Up: Its salt form offers improved stability for handling in large-scale manufacturing processes compared to air-sensitive alternatives.

Basic Information

Product Name	Potassium Propa-1,2-Dienyltrifluoroborate
CAS No.	1201899-21-9
Molecular Formula	C3H3BF3K
Molecular Weight	145.96 g/mol
Synonyms	Potassium (Propa-1,2-dien-1-yl)trifluoroborate; Potassium Allenyltrifluoroborate; Propa-1,2-dien-1-yltrifluoroborate Potassium Salt; Allenyl-BF3K; Potassium Trifluoro(propa-1,2-dien-1-yl)borate; 1,2-Propadien-1-yltrifluoroborate Potassium Salt; Potassium 1,2-Propadienyltrifluoroborate
EINECS	Contact for details

Quality Control

Every batch of Potassium Propa-1,2-Dienyltrifluoroborate is manufactured and tested under strict quality management systems. We provide comprehensive analytical data to ensure the reagent meets the high standards required for sensitive synthetic applications. A detailed Certificate of Analysis (COA), including results for purity (NMR, HPLC), identity (IR, NMR), and moisture content (KF), is supplied with each shipment to guarantee reproducible performance and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at 2-8°C under an inert atmosphere (argon or nitrogen) due to its hygroscopic nature. Allow the sealed container to reach room temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (NMR)	Conforms to structure
Purity (NMR / HPLC)	≥95%
Water Content (KF)	≤1.0%
Potassium Content	Contact for details
Fluorine Content	Contact for details

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