Description

Methyl Triphenyl Phosphonium Chloride is a versatile organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its effectiveness as a ylide precursor for the Wittig reaction, a cornerstone method for the formation of carbon-carbon double bonds. This makes it an essential material for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to synthesize alkenes, olefins, and complex organic intermediates with high precision.

Application

• Wittig Reaction Reagent: A fundamental precursor for generating methylenetriphenylphosphorane ylide, used to convert carbonyl compounds (aldehydes and ketones) into alkenes.
• Pharmaceutical Intermediate Synthesis: Critical for constructing olefinic bonds in the production of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemical Manufacturing: Employed in the synthesis of pesticides, herbicides, and plant growth regulators that contain specific alkene functionalities.
• Material Science & Polymer Chemistry: Used in the creation of specialty monomers, liquid crystals, and functional polymers requiring defined double bonds.
• Fine Chemical Production: Facilitates the synthesis of flavors, fragrances, and other high-value organic compounds.
• Laboratory Research & Development: A staple reagent in academic and industrial R&D labs for method development and novel compound exploration.

Basic Information

Product Name	Methyl Triphenyl Phosphonium Chloride
CAS No.	1031-15-8
Molecular Formula	C19H18ClP
Molecular Weight	312.77 g/mol
Synonyms	Methyltriphenylphosphonium chloride; (Methyl)triphenylphosphonium chloride; Triphenylmethylphosphonium chloride; Phosphonium, methyltriphenyl-, chloride; MTPP-Cl; MTPPC; Methyltriphenylphosphonium chloride (MTPPCl); NSC 5111
EINECS	213-847-1

Quality Control

Our Methyl Triphenyl Phosphonium Chloride is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay (by titration), identification (IR), and impurity profiling, to ensure it meets the high standards required for synthetic applications. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
Melting Point	188 - 192 °C
Loss on Drying	≤ 1.0 %

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