Description

Ethoxy-Ethoxycarbonyl-Methyltriphenylphosphonium Chloride is a specialized organophosphorus reagent, widely recognized as a key intermediate in the synthesis of complex organic molecules. Its primary value lies in its role as a Wittig reagent or ylide precursor, enabling the efficient construction of carbon-carbon double bonds, particularly in the synthesis of α,β-unsaturated esters and other fine chemicals. This high-purity compound is essential for research and development chemists and process engineers working in pharmaceutical, agrochemical, and advanced material sectors, where precise and reliable synthetic building blocks are critical.

Application

• Key reagent in the Wittig olefination reaction for the synthesis of alkenes.
• Critical intermediate in the production of pharmaceutical active ingredients (APIs), especially those containing α,β-unsaturated ester functionalities.
• Used in the synthesis of agrochemicals and plant growth regulators.
• Building block for liquid crystal materials and advanced organic electronic compounds.
• Employed in academic and industrial R&D for novel organic synthesis methodologies.
• Precursor for the synthesis of specialty polymers and functional materials.
• Used in the preparation of flavor and fragrance intermediates.

Basic Information

Product Name	Ethoxy-Ethoxycarbonyl-Methyltriphenylphosphonium Chloride
CAS No.	16847-90-8
Molecular Formula	C24H26ClO3P
Molecular Weight	428.89 g/mol
Synonyms	(Carbethoxymethyl)triphenylphosphonium chloride; (Ethoxycarbonylmethyl)triphenylphosphonium chloride; Carbethoxymethyltriphenylphosphonium chloride; (Carbethoxymethylene)triphenylphosphorane hydrochloride; EECMPP-Cl; Triphenylphosphonium chloride, (ethoxycarbonyl)methyl-; Phosphonium, (carbethoxymethyl)triphenyl-, chloride
EINECS	240-876-9

Quality Control

Our Ethoxy-Ethoxycarbonyl-Methyltriphenylphosphonium Chloride is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity determination, to meet exacting customer specifications. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment, ensuring full traceability and compliance with your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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 (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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