Description

Tetraphenylphosphonium Iodide is a versatile quaternary phosphonium salt with significant utility in organic synthesis and materials science. Its primary value lies in its role as a highly effective phase-transfer catalyst and a key reagent for generating reactive ylides in the synthesis of alkenes via the Wittig reaction. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where precise and efficient carbon-carbon bond formation is critical.

Application

• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases, widely used in alkylation, oxidation, and polymerization processes.
• Wittig Reaction Reagent: Serves as a precursor for generating stabilized ylides to synthesize alkenes, a fundamental step in fine chemical and active pharmaceutical ingredient (API) manufacturing.
• Polymerization Initiator/Co-catalyst: Employed in the synthesis of specialized polymers and epoxy resins.
• Electrolyte Additive: Investigated for use in battery systems and electrochemical applications.
• Organic Synthesis Intermediate: Used in the preparation of more complex phosphonium salts and organophosphorus compounds.
• Analytical Chemistry: Functions as an ion-pairing agent in chromatography and other separation techniques.

Basic Information

Product Name	Tetraphenylphosphonium Iodide
CAS No.	2065-67-0
Molecular Formula	C24H20IP
Molecular Weight	418.29 g/mol
Synonyms	TPPI; Tetraphenylphosphonium iodide; Phosphonium, tetraphenyl-, iodide; Tetraphenylphosphanium iodide; Iodotetraphenylphosphorane; NSC 176924; AI3-52712; CCRIS 5983
EINECS	218-179-2

Quality Control

Our Tetraphenylphosphonium Iodide is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	288 - 292 °C
Loss on Drying	≤ 1.0 %
Heavy Metals (as Pb)	≤ 20 ppm

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