Description

Butyltriphenylphosphonium Chloride is a versatile quaternary phosphonium salt widely used as a phase-transfer catalyst and a key reagent in organic synthesis. Its primary value lies in its ability to facilitate reactions between reagents in immiscible phases, significantly improving yield and efficiency. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it is instrumental in synthesizing complex molecules, including active pharmaceutical ingredients (APIs) and advanced intermediates.

Application

• Phase-Transfer Catalyst (PTC): A critical reagent for accelerating reactions between organic and aqueous phases in alkylation, esterification, and displacement reactions.
• Wittig Reaction Reagent: Used to generate phosphorus ylides for the synthesis of alkenes from carbonyl compounds, a fundamental transformation in fine chemical production.
• Pharmaceutical Intermediate Synthesis: Employed in the manufacturing of various drug candidates and active pharmaceutical ingredients (APIs) requiring specific alkene functionalities.
• Agrochemical Production: Serves as a building block or catalyst in the synthesis of certain pesticides, herbicides, and plant growth regulators.
• Polymer Chemistry: Acts as a catalyst or initiator in specific polymerization processes and the synthesis of functional polymers.
• Organic Synthesis Research: A staple reagent in R&D laboratories for exploring new carbon-carbon bond formation methodologies.
• Dye and Pigment Manufacturing: Facilitates key coupling and condensation reactions in the production of complex colorants.

Basic Information

Product Name	Butyltriphenylphosphonium Chloride
CAS No.	13371-17-0
Molecular Formula	C22H24ClP
Molecular Weight	354.85 g/mol
Synonyms	Butyltriphenylphosphonium chloride; n-Butyltriphenylphosphonium chloride; BTPPC; Phosphonium, butyltriphenyl-, chloride; Tetrabutylphosphonium chloride (common misnomer, but often searched); Triphenylbutylphosphonium chloride; 1-Butyltriphenylphosphonium chloride; Butyl(triphenyl)phosphonium chloride
EINECS	236-452-7

Quality Control

Our Butyltriphenylphosphonium Chloride is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for catalytic activity and consistency. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided with every shipment to guarantee reliable performance in your critical applications.

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 product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Approx. 235-245 °C (dec.)
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.