Description

Ethyltriphenylphosphonium Tetrafluoroborate is a versatile quaternary phosphonium salt widely used as a catalyst and reagent in organic synthesis. This compound is valued for its role in facilitating key chemical transformations, particularly in the formation of carbon-carbon double bonds. It is an essential material for research laboratories and industrial-scale chemical production processes focused on pharmaceuticals, agrochemicals, and advanced materials. The product is identified by CAS No. 2994-53-8.

Application

• Wittig Reaction Catalyst: A key reagent for the stereoselective synthesis of alkenes from carbonyl compounds, crucial for constructing complex organic molecules.
• Pharmaceutical Intermediate Synthesis: Used in the production of active pharmaceutical ingredients (APIs) and fine chemicals requiring specific alkene geometries.
• Agrochemical Manufacturing: Employed in the synthesis of pesticide and herbicide intermediates that incorporate olefinic structures.
• Material Science Research: Serves as a precursor or catalyst in the development of specialty polymers, liquid crystals, and organic electronic materials.
• Academic & Industrial R&D: A fundamental tool for synthetic organic chemists in both discovery chemistry and process development.
• Phase-Transfer Catalysis (PTC): Can be utilized in certain PTC applications due to its quaternary phosphonium structure.

Basic Information

Product Name	Ethyltriphenylphosphonium Tetrafluoroborate
CAS No.	2994-53-8
Molecular Formula	C20H20BF4P
Molecular Weight	378.15 g/mol
Synonyms	Ethyltriphenylphosphonium fluoroborate; Ethyltriphenylphosphonium BF4; (Ethyl)triphenylphosphonium tetrafluoroborate; Tetrafluoroboric acid ethyltriphenylphosphonium salt; ETPP-BF4; Phosphonium, ethyltriphenyl-, tetrafluoroborate(1-); Ethyltriphenylphosphonium Tetrakis(fluoranyl)boranuide
EINECS	221-069-4

Quality Control

Our Ethyltriphenylphosphonium Tetrafluoroborate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay by titration, impurity profiling, and identity confirmation (IR, NMR) to ensure high purity and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment. Keep away from incompatible materials such as strong bases and strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 98.0 %
Melting Point	258 - 262 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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