4.4-oxybisbenzoic chloride (DEDC/ODBC)

Basic Information of DEDC

Product Name	4,4'-Oxybisbenzoyl chloride
Abbreviation	DEDC
CAS Number	7158-32-9
Product Type	Aromatic diacid chloride intermediate
Molecular Formula	C14H8Cl2O3
Molecular Weight	295.12 g/mol
Appearance	White to almost white powder or crystalline solid
Purity	≥ 99.5%; final batch data should be confirmed by latest COA
Main Application	Specialty polymer, aromatic polyamide, polyester and high-performance material synthesis
Package	1 kg/bottle, 20 kg/drum, or customized packaging
Documents	COA, SDS and TDS available upon request
Molecular Structure

Typical Specification of DEDC

The above information is provided as a typical specification reference for DEDC CAS 7158-32-9.  Final batch data, purity, appearance and documentation should be confirmed by the latest COA  before order confirmation.

Key Features in Specialty Polymer Design

• Aromatic diacid chloride functionality, relevant to specialty aromatic polymer and  high-performance material synthesis.

• Ether-linked aromatic backbone may support a balance of rigidity and processability  depending on the target polymer structure.

• Acid chloride groups provide high reactivity toward suitable nucleophilic monomers,  supporting condensation-type polymer synthesis.

• DEDC can be considered in  specialty functional polymer material development  where aromatic structure and polymer backbone design are important.

• Final polymer properties depend on monomer purity, co-monomer selection, solvent system,  reaction conditions and polymer processing method.

Use of DEDC in Polymer Synthesis

DEDC may be evaluated as an aromatic diacid chloride intermediate for specialty polymer systems.  Its acid chloride groups can react with suitable diamines, diols or other functional monomers  depending on the target polymer route. In this context, DEDC is more accurately positioned as  a reactive polymer intermediate rather than a direct polyimide dianhydride or diamine monomer.

In high-performance material development, aromatic diacid chloride structures may be used to  introduce rigid aromatic segments into polymer backbones. The final material performance depends  on the complete co-monomer design, stoichiometry, reaction conditions, purification and processing.

Application Context of DEDC in Specialty Polymer Systems

DEDC is typically used as a reactive intermediate rather than a finished application material.  It can be considered in specialty polymer research and development where aromatic backbone design,  condensation reactivity and high-performance material properties are important.

• Specialty functional polymer material development  – structural intermediate selection for advanced aromatic polymer systems.

• Flexible and processable polymer formulations  – polymer processing, solubility and film formation considerations.

• High-temperature polymer applications  – thermal resistance and high-performance material environments.

• Optical and structurally ordered polymer systems  – aromatic structure and polymer alignment research contexts.

Related Specialty Polymer Intermediates

• BAPP CAS 13080-86-9  – ether-containing aromatic diamine for processable and heat-resistant polyimide systems.

• ABHQ CAS 22095-98-3  – aromatic diamine monomer with ester linkages for specialty polymer synthesis.

• TPE-Q CAS 3491-12-1  – ether-containing aromatic diamine for processable and heat-resistant PI material design.

COA, SDS and Technical Documentation

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