Description

4-Carbomethoxybenzyl Triphenylphosphonium Chloride is a high-purity, versatile Wittig reagent salt essential for organic synthesis. It serves as a critical building block for the formation of carbon-carbon double bonds, enabling the synthesis of complex olefins and fine chemical intermediates. This compound is particularly valuable for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality reagents for complex synthetic pathways.

Application

• Pharmaceutical Intermediate Synthesis: A key reagent in the Wittig reaction for constructing olefinic bonds in active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Production: Used in the synthesis of specific insecticide and herbicide intermediates that require precise olefin geometry.
• Liquid Crystal & OLED Material Development: Facilitates the synthesis of conjugated organic molecules and advanced functional materials for electronic displays.
• Fine Chemical & Flavor/Fragrance Synthesis: Enables the production of specific alkenes and complex organic molecules used in specialty chemicals.
• Academic & Industrial R&D: A staple reagent in research laboratories for methodology development and the synthesis of novel organic compounds.
• Polymer Chemistry: Can be employed in the synthesis of monomers or polymers with specific unsaturated linkages.

Basic Information

Product Name	4-Carbomethoxybenzyl Triphenylphosphonium Chloride
CAS No.	1253-46-9
Molecular Formula	C27H24ClO2P
Molecular Weight	446.90 g/mol
Synonyms	(4-Methoxycarbonylbenzyl)triphenylphosphonium chloride; Methyl 4-(triphenylphosphoniomethyl)benzoate chloride; p-(Methoxycarbonyl)benzyltriphenylphosphonium chloride; 4-(Methoxycarbonyl)benzyltriphenylphosphonium chloride; (4-Carbomethoxybenzyl)triphenylphosphonium chloride; Methyl p-(triphenylphosphoniomethyl)benzoate chloride; Wittig Reagent Salt
EINECS	Contact for details

Quality Control

Our 4-Carbomethoxybenzyl Triphenylphosphonium Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR for structural confirmation, and loss on drying analysis to ensure it meets stringent specifications for synthetic applications. A Certificate of Analysis (COA) detailing all 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 place at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm

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