Description

3,5-Bis(4-Aminophenoxy)Benzoic Acid is a high-purity aromatic diamine derivative with a benzoic acid core, serving as a critical building block in advanced polymer synthesis. Its bifunctional structure, featuring two primary amine groups and a carboxylic acid, enables precise molecular design for high-performance materials. This compound is essential for researchers and manufacturers in the polymer, pharmaceutical, and specialty chemical industries seeking to develop novel polyimides, epoxy curing agents, and liquid crystal polymers.

Application

• Polyimide Monomer: A key precursor for synthesizing high-temperature, high-strength polyimide resins and films used in aerospace and electronics.
• Epoxy Curing Agent: Functions as a cross-linking agent for epoxy resins, enhancing thermal stability and mechanical properties in advanced composites.
• Pharmaceutical Intermediate: Serves as a versatile building block in the synthesis of complex active pharmaceutical ingredients (APIs) and drug candidates.
• Liquid Crystal Polymer (LCP) Synthesis: Used in the production of monomers for high-performance LCPs with exceptional thermal and chemical resistance.
• Specialty Polyamide & Polyester Synthesis: Incorporated into polymer backbones to introduce rigid, aromatic segments and functional handles for further modification.
• Dye & Pigment Intermediate: Acts as a starting material for creating specialized dyes and organic pigments.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new polymeric materials and organic compounds.
• Adhesive & Coating Formulations: Contributes to the performance of high-end adhesives and protective coatings requiring superior durability.

Basic Information

Product Name	3,5-Bis(4-Aminophenoxy)Benzoic Acid
CAS No.	195189-45-8
Molecular Formula	C26H22N2O5
Molecular Weight	442.47 g/mol
Synonyms	Benzoic acid, 3,5-bis(4-aminophenoxy)-; 4,4'-(5-Carboxy-1,3-phenylene)bis(oxy)dianiline; 3,5-Di(4-aminophenoxy)benzoic acid; BAPB; BAPBA; 3,5-Bis(p-aminophenoxy)benzoic acid; 3,5-Bis(4-aminophenoxy)benzenecarboxylic acid
EINECS	Contact for details

Quality Control

Our 3,5-Bis(4-Aminophenoxy)Benzoic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for advanced synthesis. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to guarantee consistency and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive (store away from light). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%

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