Description

4-Formylphenoxyacetic Acid is a versatile aromatic aldehyde carboxylic acid derivative, serving as a key bifunctional building block in advanced organic synthesis. Its molecular structure, featuring both a formyl group and a carboxylic acid moiety, makes it invaluable for creating complex molecular architectures through condensation and coupling reactions. This compound is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for synthesizing active ingredients and functional intermediates.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly for creating ligands, prodrug linkers, and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and plant growth regulators where its phenoxyacetic acid backbone is a key structural motif.
• Ligand and Chelator Preparation: Serves as a starting material for synthesizing sophisticated chelating agents and ligands used in catalysis and metal complexation.
• Polymer Chemistry: Employed as a monomer or cross-linking agent for producing specialty polymers with tailored properties, such as photosensitive resins.
• Chemical Research & Development: A fundamental reagent in academic and industrial labs for exploring new organic reactions and constructing heterocyclic compounds.
• Material Science: Used in the surface functionalization of materials and the creation of advanced organic frameworks.

Basic Information

Product Name	4-Formylphenoxyacetic Acid
CAS No.	22042-71-3
Molecular Formula	C9H8O4
Molecular Weight	180.16 g/mol
Synonyms	4-Formylphenoxyacetic Acid; (4-Formylphenoxy)acetic Acid; p-Formylphenoxyacetic Acid; 4-Carboxyethoxyphenylaldehyde; 4-(Carboxymethoxy)benzaldehyde; 22042-71-3; p-Carboxymethoxybenzaldehyde; Aldehyde of p-Hydroxyphenylacetic Acid
EINECS	244-744-7

Quality Control

Our 4-Formylphenoxyacetic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing all specifications are provided with every shipment.

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 sensitivity to oxidation, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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