Description

Phosphonium, Methyltris(Dibutylamino)-, Bromide is a specialized quaternary phosphonium salt with a unique sterically hindered structure. This compound is valued for its role as a highly effective phase-transfer catalyst and a versatile reagent in advanced organic synthesis. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for facilitating challenging reactions under mild conditions.

Application

• As a phase-transfer catalyst (PTC) for alkylation, esterification, and other nucleophilic substitution reactions in biphasic systems.
• Key reagent in the synthesis of complex pharmaceutical intermediates and active pharmaceutical ingredients (APIs).
• Facilitator for polymerization reactions and the production of specialty polymers and resins.
• Used in agrochemical synthesis for creating advanced herbicides, fungicides, and plant growth regulators.
• Employed in material science research for surface modification and the creation of functional materials.
• Catalyst in fine chemical manufacturing for producing flavors, fragrances, and electronic chemicals.

Basic Information

Product Name	Phosphonium, Methyltris(Dibutylamino)-, Bromide
CAS No.	73790-46-2
Molecular Formula	C₂₅H₅₈BrN₃P
Molecular Weight	502.63 g/mol
Synonyms	Methyltris(dibutylamino)phosphonium Bromide; Tris(dibutylamino)methylphosphonium Bromide; Phosphonium, [methyltris(dibutylamino)]-, bromide; Methyl-tris-(dibutylamino)-phosphonium bromide; P,N-Ligand precursor; Sterically hindered phosphonium salt
EINECS	Contact for details

Quality Control

Our Phosphonium, Methyltris(Dibutylamino)-, Bromide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and elemental analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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