Description

Trimethylphosphine Oxide is a versatile organophosphorus compound with the CAS number 676-96-0, serving as a key intermediate and ligand in advanced chemical synthesis. Its significance lies in its ability to act as a powerful coordinating agent and a stable phosphine oxide derivative, facilitating critical reactions in research and industrial processes. This product is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors, where precise molecular control is paramount for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly in creating phosphorous-containing molecules for therapeutic applications.
• Catalyst & Ligand Synthesis: Serves as a precursor or a ligand in transition metal catalysis for fine chemical and polymer production.
• Agrochemical Research: Employed in developing advanced pesticides and herbicides where organophosphorus chemistry is applied.
• Material Science: Acts as a building block for flame retardants, stabilizers, or specialty polymers requiring phosphorus incorporation.
• Chemical Research: A valuable reagent in academic and industrial R&D for studying phosphorylation reactions and coordination chemistry.
• Electrolyte Additive: Investigated for use in lithium-ion battery electrolytes to improve stability and performance.

Basic Information

Product Name	Trimethylphosphine Oxide
CAS No.	676-96-0
Molecular Formula	C₃H₉OP
Molecular Weight	92.08 g/mol
Synonyms	Trimethylphosphine Oxide; Trimethylphosphane Oxide; Phosphine Oxide, Trimethyl-; TMPO; Me₃PO; (CH₃)₃PO; Trimethyl-oxophosphorane; Trimethylphosphorus Oxide
EINECS	211-639-2

Quality Control

Our Trimethylphosphine Oxide is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay and impurity profiling, to meet the stringent requirements of our global B2B clients. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your project needs.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept in a cool, dry place with minimal exposure to ambient humidity. For long-term stability, storage at controlled room temperature (15-25°C) under an inert atmosphere such as nitrogen or argon is recommended.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Heavy Metals	< 10 ppm

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