Description

Triisobutylphosphine Sulfide is a specialized organophosphorus compound valued for its role as a versatile ligand and chemical intermediate. Its primary commercial significance lies in its ability to coordinate with various metal centers, making it a critical component in advanced material synthesis and catalysis. This product is essential for manufacturers and R&D teams in the fine chemical, pharmaceutical, and material science sectors seeking reliable, high-purity reagents for complex synthesis.

Application

• Catalyst Ligand in Cross-Coupling Reactions: Used in palladium-catalyzed processes like Suzuki, Heck, and Negishi couplings for pharmaceutical and agrochemical synthesis.
• Precursor for Advanced Material Synthesis: Serves as a building block for creating metal-organic frameworks (MOFs) and semiconductor nanomaterials.
• Stabilizing Agent for Metal Nanoparticles: Employed to control the size and prevent aggregation of nanoparticles in catalytic and electronic applications.
• Intermediate in Organophosphorus Chemistry: A key reactant for synthesizing more complex phosphine sulfide derivatives and flame retardants.
• Additive in Lubricant and Fuel Formulations: Acts as an extreme pressure additive and anti-wear agent in specialty industrial lubricants.
• Research & Development Reagent: Utilized in academic and industrial labs for exploring new catalytic systems and coordination chemistry.

Basic Information

Product Name	Triisobutylphosphine Sulfide
CAS No.	3982-87-4
Molecular Formula	C12H27PS
Molecular Weight	234.38 g/mol
Synonyms	Triisobutylphosphine Sulfide; Tris(2-methylpropyl)phosphine Sulfide; Thiophosphinic Acid, Tris(2-methylpropyl) Ester; Phosphorotrithious Acid, Tris(2-methylpropyl) Ester; TIBS; i-Bu3PS; Tris(isobutyl)phosphine Sulfide
EINECS	223-625-4

Quality Control

Our Triisobutylphosphine Sulfide is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical documentation, including Certificates of Analysis (COA) detailing purity, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This compound is easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) to maintain stability and purity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC or NMR)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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