Description

4,4'-Octanediyldioxydibenzoic Acid is a high-purity aromatic dicarboxylic acid derivative characterized by its extended aliphatic ether linkage. This compound serves as a critical advanced intermediate for synthesizing specialized polymers and functional materials, offering unique structural flexibility. It is essential for R&D and production teams in the pharmaceutical, liquid crystal, and high-performance polymer industries seeking to develop novel products with tailored properties.

Application

• Liquid Crystal (LC) Manufacturing: A key monomer for synthesizing thermotropic liquid crystal polymers (LCPs) and monomers for display applications.
• High-Performance Polymer Synthesis: Serves as a dicarboxylic acid monomer for producing polyesters, polyamides, and polyarylates with enhanced thermal and mechanical properties.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs) and drug delivery systems.
• Specialty Additives: Employed in the formulation of plasticizers, stabilizers, and other performance additives for advanced material systems.
• Cross-linking Agent: Functions as a building block for creating cross-linked polymer networks in coatings, adhesives, and composites.
• Academic & Industrial Research: A valuable compound for material science research focused on novel organic synthesis and macromolecular design.

Basic Information

Product Name	4,4'-Octanediyldioxydibenzoic Acid
CAS No.	74774-57-5
Molecular Formula	C22H26O6
Molecular Weight	386.44 g/mol
Synonyms	4,4'-(Octane-1,8-diyldioxy)dibenzoic Acid; 1,8-Bis(4-carboxyphenoxy)octane; Octane-1,8-diyl bis(4-carboxyphenyl) ether; 4,4'-(Octanedioxy)dibenzoic Acid; p,p'-Octanedioxydibenzoic Acid; DOBA derivative; LC monomer O8
EINECS	Contact for details

Quality Control

Every batch of 4,4'-Octanediyldioxydibenzoic Acid is manufactured under a strict quality management system. Our products undergo rigorous analytical testing, including HPLC, NMR, and FTIR, to ensure high purity and batch-to-batch consistency suitable for sensitive applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed in a dry environment to prevent moisture absorption, which may affect product quality and handling properties.

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	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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