Description

Tributylphosphine Sulfide is a versatile organophosphorus compound widely used as a high-performance ligand and catalyst precursor in specialty chemical synthesis. Its primary commercial value lies in its ability to facilitate challenging chemical transformations, offering superior selectivity and efficiency in key industrial processes. This product is essential for manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-purity intermediates for research and production.

Application

• As a ligand in transition metal catalysis for cross-coupling reactions (e.g., Heck, Suzuki, Sonogashira).
• As a key intermediate in the synthesis of organophosphorus flame retardants and plasticizers.
• As a precursor for photoinitiators and other specialty additives in polymer chemistry.
• In the production of lubricant additives and extreme pressure agents.
• As a scavenging agent for heavy metals in certain purification processes.
• In agrochemical research for the development of novel pesticides and herbicides.
• For the synthesis of thiophosphoryl compounds with applications in coordination chemistry.

Basic Information

Product Name	Tributylphosphine Sulfide
CAS No.	3084-50-2
Molecular Formula	C12H27PS
Molecular Weight	234.38 g/mol
Synonyms	Tributylphosphine Sulfide; Tri-n-butylphosphine Sulfide; TBPS; Phosphorothioic Acid, Tributyl Ester; Tributyl Thiophosphite; Sulfur-Tributylphosphine Complex; NSC 163082
EINECS	221-397-7

Quality Control

Our Tributylphosphine Sulfide is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality system supports traceability and meets the stringent demands of GMP and ISO guided environments for advanced chemical applications.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its properties of being easily oxidized and highly volatile, prolonged exposure to air, heat, or moisture should be avoided.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
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.