Description

Butyltriphenylphosphonium Bromide CAS NO 1779-51-7 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 facilitating reactions between reagents in immiscible phases, significantly improving yields and reaction rates under mild conditions. This compound is essential for R&D chemists and production engineers in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Phase-Transfer Catalysis (PTC): Enables reactions between ionic and organic reagents in two-phase systems, crucial for alkylation, esterification, and etherification processes.
• Wittig Reaction Reagent: Serves as a precursor for generating phosphorus ylides used in the synthesis of alkenes from carbonyl compounds.
• Polymerization Catalyst: Used as a catalyst or co-catalyst in the production of certain polymers and resins.
• Pharmaceutical Intermediate Synthesis: Facilitates the manufacture of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Production: Employed in the synthesis of pesticides, herbicides, and plant growth regulators.
• Dye and Pigment Manufacturing: Acts as a catalyst in condensation and coupling reactions to produce colorants.
• Organic Synthesis Research: A valuable tool in academic and industrial laboratories for developing new synthetic methodologies.

Basic Information

Product Name	Butyltriphenylphosphonium Bromide
CAS No.	1779-51-7
Molecular Formula	C22H24BrP
Molecular Weight	399.30 g/mol
Synonyms	Butyltriphenylphosphonium Bromide; n-Butyltriphenylphosphonium Bromide; TPPB; BTPPB; Phosphonium, butyltriphenyl-, bromide; Butyl(triphenyl)phosphonium Bromide; 1-Butyltriphenylphosphonium Bromide; Tetrabutylphosphonium Bromide (common misnomer, clarify); Triphenylbutylphosphonium Bromide
EINECS	217-218-6

Quality Control

Our Butyltriphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the specifications required for catalytic and synthetic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment and is available upon request.

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, inert 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	Contact for details
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.