Description

Tetramethylphosphonium Chloride is a versatile quaternary phosphonium salt with significant utility in advanced chemical synthesis. Its primary value lies in its role as a highly effective phase-transfer catalyst and a key precursor for synthesizing other phosphonium-based compounds and ionic liquids. This product is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require reliable, high-purity intermediates for complex organic transformations and material science applications.

Application

• As a phase-transfer catalyst (PTC) in organic synthesis, facilitating reactions between reagents in immiscible phases.
• A key precursor or intermediate in the synthesis of other phosphonium salts and specialty chemicals.
• Used in the research and development of ionic liquids and advanced electrolytes.
• Employed in the preparation of phosphorus-containing polymers and materials with specific thermal or conductive properties.
• As a reagent in pharmaceutical synthesis for constructing complex molecular architectures.
• Potential use in agrochemical formulation as an intermediate for novel active ingredients.
• In academic and industrial R&D for studying reaction mechanisms and developing new catalytic processes.

Basic Information

Product Name	Tetramethylphosphonium Chloride
CAS No.	1941-19-1
Molecular Formula	C4H12ClP
Molecular Weight	126.56 g/mol
Synonyms	Phosphonium, tetramethyl-, chloride; Tetramethylphosphonium chloride; Tetramethylphosphonium chloride (1:1); Tetramethylphosphonium monochloride; TMP-Cl; (CH3)4PCl; Tetramethylphosphonium chloride (TMPC)
EINECS	217-734-8

Quality Control

Our Tetramethylphosphonium Chloride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with key parameters such as assay, moisture content, and impurity profiles. Our quality commitment ensures the material meets the stringent requirements for research and industrial synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture. Recommended long-term storage temperature is 2-8°C (refrigerated) for optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Melting Point	~300°C (dec.)

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