Description

4-Methoxycarbonyl-Benzyltriphenylphosphoniumchloride is a high-purity, versatile Wittig reagent salt widely used in organic synthesis. This compound is critical for facilitating the formation of carbon-carbon double bonds, enabling the production of complex molecules and fine chemicals. It is an essential intermediate for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors seeking reliable, high-yield synthetic pathways.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of active pharmaceutical ingredients (APIs), particularly for constructing olefinic structures in drug candidates.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators requiring specific alkene functionalities.
• Fine Chemical Production: Enables the manufacture of specialty chemicals, flavors, fragrances, and dyes through controlled Wittig olefination reactions.
• Material Science Research: Serves as a building block in the development of novel organic electronic materials, liquid crystals, and polymers.
• Academic & R&D Laboratories: A staple reagent for methodological development and complex molecule synthesis in research institutions.
• Custom Synthesis: Employed in contract manufacturing and custom synthesis projects for producing tailored olefin products.

Basic Information

Product Name	4-Methoxycarbonyl-Benzyltriphenylphosphoniumchloride
CAS No.	1253-47-0
Molecular Formula	C28H26ClO2P
Molecular Weight	460.93 g/mol
Synonyms	(4-Carbomethoxybenzyl)triphenylphosphonium chloride; Methyl 4-[(triphenylphosphonio)methyl]benzoate chloride; p-(Methoxycarbonyl)benzyltriphenylphosphonium chloride; Methyl p-(triphenylphosphoniomethyl)benzoate chloride; 4-(Methoxycarbonyl)benzyltriphenylphosphonium chloride; (4-Methoxycarbonylbenzyl)triphenylphosphonium chloride; Methyl 4-(triphenylphosphoniomethyl)benzoate chloride; Wittig reagent salt
EINECS	Contact for details

Quality Control

Our 4-Methoxycarbonyl-Benzyltriphenylphosphoniumchloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for synthetic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere or in a desiccator after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Melting Point	Contact for details

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