Description

4-Oxiranylmethoxy-Benzoic Acid is a high-purity, functionalized aromatic compound featuring both a carboxylic acid and an oxirane (epoxide) group, making it a versatile building block for advanced synthesis. This bifunctional molecule is critical for creating specialized polymers, coatings, and pharmaceutical intermediates where precise molecular architecture is required. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, advanced epoxy resin, and specialty chemical industries for developing products with enhanced adhesion, cross-linking density, or biological activity.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a benzoic acid backbone with an epoxy-reactive handle.
• Epoxy Resin Modifier: Used to introduce carboxylic acid functionality into epoxy resin systems, improving adhesion to metallic substrates, flexibility, and chemical resistance in high-performance coatings and composites.
• Cross-linking Agent: Functions as a difunctional cross-linker in polymer chemistry, enabling the formation of dense, stable polymer networks for adhesives, sealants, and encapsulants.
• Surface Coating Formulations: Incorporated into specialty coatings to enhance surface wetting, durability, and corrosion protection properties.
• Liquid Crystal & OLED Material Synthesis: Acts as a building block for creating advanced organic electronic materials due to its rigid aromatic core and reactive sites.
• Bioconjugation & Probe Synthesis: Utilized in life sciences research for attaching reporter molecules or drugs to carriers via its epoxy and carboxylic acid groups.

Basic Information

Product Name	4-Oxiranylmethoxy-Benzoic Acid
CAS No.	35217-95-9
Molecular Formula	C10H10O4
Molecular Weight	194.18 g/mol
Synonyms	4-(Oxiran-2-ylmethoxy)benzoic acid; 4-Glycidyloxybenzoic Acid; p-(Glycidyloxy)benzoic Acid; 4-Epoxypropoxybenzoic Acid; Benzoic acid, 4-(oxiranylmethoxy)-; 2,3-Epoxypropyl 4-carboxyphenyl ether; 4-Carboxyphenyl glycidyl ether; GOBA
EINECS	Contact for details

Quality Control

Our 4-Oxiranylmethoxy-Benzoic 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, to ensure it meets exacting specifications for sensitive synthetic applications. Certificates of Analysis (COA) with full traceability are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). The product is moisture-sensitive; keep the container tightly sealed under an inert atmosphere if possible to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	118 - 122 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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