Description

Methyltributylphosphonium Dibutyl Phosphate is a high-purity ionic liquid and specialty phosphonium salt. This compound serves as a highly effective phase-transfer catalyst and reaction medium, offering superior thermal stability and low volatility for demanding chemical processes. It is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to optimize synthesis efficiency and product purity.

Application

• Phase-Transfer Catalyst (PTC) for alkylation, esterification, and polymerization reactions in organic synthesis.
• Ionic Liquid Solvent for green chemistry applications, providing a non-volatile, recyclable medium for catalysis and separations.
• Extraction Agent in the separation and purification of rare earth metals and other valuable inorganic species.
• Polymerization Aid and stabilizer in the production of high-performance engineering plastics and resins.
• Intermediate for the synthesis of other functionalized phosphonium salts and ionic liquids with tailored properties.
• Additive in lubricants and functional fluids to enhance thermal stability and anti-wear properties.

Basic Information

Product Name	Methyltributylphosphonium Dibutyl Phosphate
CAS No.	947601-89-0
Molecular Formula	C₂₁H₄₈O₄P₂
Molecular Weight	426.55 g/mol
Synonyms	Methyltributylphosphonium Dibutyl Phosphate; Tributyl(methyl)phosphonium Dibutyl Phosphate; Dibutyl Methyltributylphosphonium Phosphate; Methyltributylphosphonium Hydrogen Dibutyl Phosphate; P₆₆₆₁₄ Dibutyl Phosphate; Ionic Liquid [P₆₆₆₁₄][DBP]; Phosphonium Salt 947601-89-0
EINECS	Contact for details

Quality Control

Our Methyltributylphosphonium Dibutyl Phosphate is manufactured under a strict quality management system. Each batch is analyzed to ensure it meets high-purity standards suitable for catalytic and synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical processes.

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 material is hygroscopic (moisture-sensitive); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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