Description

Butyl-Triphenyl-Phosphanium Bromide is a high-purity quaternary phosphonium salt widely utilized as a versatile phase-transfer catalyst and reagent in organic synthesis. Its primary value lies in facilitating reactions between reagents in immiscible phases, significantly improving yields and reaction rates under mild conditions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries engaged in alkylation, polymerization, and other key synthetic processes.

Application

• Phase-Transfer Catalysis (PTC): A key catalyst for reactions such as alkylations, esterifications, and nucleophilic substitutions, enabling efficient synthesis in biphasic systems.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules requiring high selectivity.
• Polymer Chemistry: Serves as a catalyst or initiator in the production of specialty polymers and resins.
• Agrochemical Synthesis: Facilitates the manufacture of pesticides, herbicides, and other crop protection agents.
• Organic Synthesis Reagent: Employed in laboratory-scale and industrial organic transformations, including Wittig-type reactions and as a stable phosphonium ylide precursor.
• Material Science: Used in the research and development of advanced materials, including ionic liquids and functional surfaces.

Basic Information

Product Name	Butyl-Triphenyl-Phosphanium Bromide
CAS No.	22949-84-4
Molecular Formula	C22H24BrP
Molecular Weight	399.30 g/mol
Synonyms	Butyltriphenylphosphonium Bromide; n-Butyltriphenylphosphonium Bromide; TPPB; Phosphonium, butyltriphenyl-, bromide; Butyl-Triphenyl-Phosphonium Bromide; 1-Butyltriphenylphosphonium Bromide; n-BuPPh3Br; BTPPB
EINECS	Contact for details

Quality Control

Our Butyl-Triphenyl-Phosphanium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee compliance with your research and production specifications.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	228 - 232 °C
Loss on Drying	≤ 1.0 %
Heavy Metals	≤ 20 ppm

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