Description

Methyltriphenylphosphonium Iodide is a versatile and highly reactive organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a robust ylide precursor for the Wittig reaction, enabling the efficient synthesis of alkenes from carbonyl compounds. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where precise olefination reactions are critical for building complex molecular architectures.

Application

• Wittig Reaction Reagent: Primary use as a methylene transfer agent for converting aldehydes and ketones into terminal alkenes (methylenation).
• Pharmaceutical Intermediates: Synthesis of key olefinic intermediates in the production of active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Building block for creating olefin-containing molecules used in pesticides, herbicides, and plant growth regulators.
• Material Science: Used in the preparation of specialty polymers, liquid crystals, and organic electronic materials requiring specific alkene functionalities.
• Laboratory Research: A staple reagent in academic and industrial R&D for method development and exploratory organic synthesis.
• Fine Chemical Production: Manufacture of flavors, fragrances, and other specialty chemicals where alkene introduction is a key synthetic step.

Basic Information

Product Name	Methyltriphenylphosphonium Iodide
CAS No.	2065-66-9
Molecular Formula	C19H18IP
Molecular Weight	404.22 g/mol
Synonyms	Methyltriphenylphosphonium iodide; Triphenylmethylphosphonium iodide; (Methyl)triphenylphosphonium iodide; Phosphonium, methyltriphenyl-, iodide; MTPPI; Methyltriphenylphosphonium iodide (MTPP Iodide); Methyl(triphenyl)phosphonium iodide; NSC 5111
EINECS	218-185-6

Quality Control

Our Methyltriphenylphosphonium Iodide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

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 nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	188°C - 192°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.