Description

4-Formylphenoxyacetic Acid Ethyl Ester is a versatile aromatic aldehyde ester building block of significant importance in fine chemical synthesis. Its bifunctional structure, featuring both a formyl group and an ester linkage, makes it a valuable precursor for constructing more complex molecules. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for applications in heterocyclic chemistry and as an intermediate in active ingredient development.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in the development of heterocyclic compounds with potential biological activity.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its reactive aldehyde group facilitates the creation of active molecular scaffolds.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for synthesizing specialized organic molecules used in electronic displays and optoelectronic devices.
• Polymer & Resin Modifier: Employed to introduce aldehyde functionality into polymer chains, enabling cross-linking or imparting specific chemical properties to advanced materials.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D labs for constructing complex organic frameworks via reactions like condensation, reduction, and nucleophilic addition.
• Dye & Pigment Intermediate: Utilized in the synthesis of specialized dyes and organic pigments, contributing to colorant development.

Basic Information

Product Name	4-Formylphenoxyacetic Acid Ethyl Ester
CAS No.	51264-69-8
Molecular Formula	C11H12O4
Molecular Weight	208.21 g/mol
Synonyms	Ethyl (4-formylphenoxy)acetate; p-Formylphenoxyacetic Acid Ethyl Ester; 4-Carboxaldehydephenoxyacetic Acid Ethyl Ester; Ethyl 4-Formylphenoxyacetate; 4-(Ethoxycarbonylmethoxy)benzaldehyde; Acetic acid, 2-(4-formylphenoxy)-, ethyl ester; Benzaldehyde, 4-[(ethoxycarbonyl)methoxy]-
EINECS	Contact for details

Quality Control

Our 4-Formylphenoxyacetic Acid Ethyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch 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). Due to its sensitivity to oxidation, it is recommended to store the product under an inert atmosphere for long-term preservation. Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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