Description

4,4'-[1,5-Pentanediylbis(Oxy)] Bisbenzoic Acid is a high-purity aromatic dicarboxylic acid derivative, serving as a critical building block in advanced polymer synthesis. Its molecular structure, featuring a flexible pentylene spacer linked via ether bridges to benzoic acid termini, makes it an essential monomer for creating specialty polyesters, polyamides, and liquid crystalline polymers. This compound is primarily utilized by R&D chemists and production engineers in the polymer, pharmaceutical intermediate, and advanced materials sectors seeking to develop materials with tailored thermal and mechanical properties.

Application

• Polymer Synthesis: Key monomer for producing high-performance engineering plastics, including polyesters and polyamides, offering enhanced chain flexibility and thermal stability.
• Liquid Crystal Polymers (LCPs): Serves as a mesogenic unit in the synthesis of thermotropic LCPs for electronics, aerospace, and precision molding applications.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs) and drug delivery systems.
• Cross-linking Agent: Functions as a cross-linker in epoxy resins and other thermosetting polymers to modify hardness and chemical resistance.
• Specialty Coatings & Adhesives: Incorporated into formulations to improve adhesion, durability, and environmental resistance.
• Academic & Industrial R&D: A valuable reagent for material science research focused on novel macromolecular architectures and supramolecular chemistry.

Basic Information

Product Name	4,4'-[1,5-Pentanediylbis(Oxy)] Bisbenzoic Acid
CAS No.	22247-66-1
Molecular Formula	C19H20O6
Molecular Weight	344.36 g/mol
Synonyms	5-Oxa-1,9-nonanediyl dibenzoate; 4,4'-(Pentane-1,5-diylbis(oxy))dibenzoic acid; 1,5-Bis(4-carboxyphenoxy)pentane; Bis(4-carboxyphenoxy)pentane; p,p'-(Pentamethylenedioxy)dibenzoic Acid; Benzoic acid, 4,4'-[1,5-pentanediylbis(oxy)]bis-; BCBPP
EINECS	Contact for details

Quality Control

Our 4,4'-[1,5-Pentanediylbis(Oxy)] Bisbenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting research and industrial-grade specifications. A detailed Certificate of Analysis (COA) documenting purity, assay, and impurity profiles 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, and well-ventilated area at room temperature (15-25°C). The product is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent absorption of moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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