Description

4-Chlorobenzyltriphenylphosphonium Tetrafluoroborate, 98 is a high-purity phosphonium salt widely used as a key reagent in organic synthesis. This compound matters for its role as a stable and efficient Wittig reagent, enabling the synthesis of alkenes from carbonyl compounds with high stereoselectivity. It is needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for constructing complex molecular architectures.

Application

• Wittig Olefination Reactions: A versatile reagent for the synthesis of substituted alkenes, particularly useful for introducing the 4-chlorobenzylidene group.
• Pharmaceutical Intermediate Synthesis: Employed in the construction of key olefinic intermediates for active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Production: Used in the synthesis of complex molecules for crop protection agents and pesticides.
• Liquid Crystal & OLED Material Research: Facilitates the creation of novel organic semiconductors and liquid crystal compounds with specific alkene linkages.
• Polymer Chemistry: Acts as a precursor or catalyst component in the synthesis of specialty polymers and functional materials.
• Academic & Industrial R&D: A staple reagent in laboratories for method development and exploring new synthetic pathways in organic chemistry.

Basic Information

Product Name	4-Chlorobenzyltriphenylphosphonium Tetrafluoroborate, 98
CAS No.	97559-21-2
Molecular Formula	C25H21BClF4P
Molecular Weight	474.66 g/mol
Synonyms	4-Chlorobenzyltriphenylphosphonium Tetrafluoroborate; (4-Chlorobenzyl)triphenylphosphonium Tetrafluoroborate; 4-Chlorobenzyltriphenylphosphonium Tetrakis[fluoridoborate(1-)]; 4-Chlorobenzyltriphenylphosphonium BF4; 4-Chlorobenzyltriphenylphosphonium Fluoroborate; Phosphonium, (4-chlorobenzyl)triphenyl-, tetrafluoroborate(1-); (p-Chlorobenzyl)triphenylphosphonium Tetrafluoroborate
EINECS	Contact for details

Quality Control

Our 4-Chlorobenzyltriphenylphosphonium Tetrafluoroborate is manufactured under strict quality protocols. Each batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure a minimum purity of 98% and compliance with internal specifications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

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