[4-(4-aminobenzoyl)oxyphenyl] 4-aminobenzoate (ABHQ) CAS 22095-98-3

Name: [4-(4-aminobenzoyl)oxyphenyl] 4-aminobenzoate (ABHQ) CAS 22095-98-3
Brand: Aure Chemical
Price: 1.00 USD
Availability: InStock
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Synonyms: 1,4-Phenylene bis(4-aminobenzoate); 1,4-Benzenediol, 1,4-bis(4-aminobenzoate); benzene-1,4-diyl bis(4-aminobenzoate)

Shandong Aure Chemical Co., Ltd. is one of the leading suppliers of ABHQ in China and also one of the suppliers of this product.

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Product Details

ABHQ CAS 22095-98-3 for Polyimide and Specialty Polymer Synthesis

[4-(4-aminobenzoyl)oxyphenyl] 4-aminobenzoate, commonly known as ABHQ, is anaromatic diamine monomer used as a structural building block in high-performance polyimide, polyamide and specialty polymer systems. Its rigid aromatic backbone and ester linkages make ABHQ relevant to material designs where thermal resistance, molecular rigidity, mechanical performance and processability need to be balanced.

ABHQ belongs to the broader category of polyimide diamine monomers used in advanced polymer and specialty material development. As a non-fluorinated aromatic diamine, it is more closely related to rigid and processable polyimide design than to fluorinated diamine systems.

Basic Information of ABHQ

Product Name	[4-(4-aminobenzoyl)oxyphenyl] 4-aminobenzoate
Abbreviation	ABHQ
CAS Number	22095-98-3
Product Type	Aromatic diamine monomer with ester linkages
Molecular Formula	C20H16N2O4
Molecular Weight	348.35 g/mol
Appearance	Off-white powder
Purity	≥ 99.5%; available batch result 99.68% by HPLC
Moisture	≤ 0.05%; available batch result 0.04%
Main Application	Polyimide, polyamide and specialty aromatic polymer synthesis
Package	1 kg/bottle, 20 kg/drum, or customized packaging
Documents	COA, SDS and TDS available upon request
Molecular Structure

Typical Specification of ABHQ

Item	Standard	Available Batch Result
Appearance	Off-white powder	Off-white powder
Purity (HPLC)	≥ 99.5%	99.68%
Moisture	≤ 0.05%	0.04%
Storage Conditions	Sealed container; keep dry; store in a cool and dark place	Based on available COA reference

The above data is based on an available batch COA for ABHQ CAS 22095-98-3. Final specifications, batch data and documentation should be confirmed by the latest COA before order confirmation.

Key Features in Polymer Design

Rigid aromatic diamine structure, relevant to high-performance polyimide and specialty aromatic polymer design.
Ester-containing molecular structure may support a balance of rigidity, processability and film-forming behavior depending on the paired dianhydride and formulation.
ABHQ can be considered in specialty functional polyimide development where molecular rigidity and structural design are important.
Aromatic backbone structure may be relevant to high-temperature polyimide applications when paired with suitable dianhydride monomers.
The final material properties depend on monomer purity, dianhydride selection, solvent system, imidization conditions and polymer processing method.

Pairing ABHQ with Dianhydride Monomers

In polyimide synthesis, ABHQ may be evaluated with selected polyimide dianhydride monomers to design rigid, specialty or processable polyimide systems. Rigid aromatic dianhydrides such as BPDA CAS 2420-87-3 or BTDA CAS 2421-28-5 may support thermal resistance and dimensional stability, while ether-containing dianhydrides such as ODPA CAS 1823-59-2 may help improve processability and film-forming behavior.

The final polyimide performance depends on the complete diamine-dianhydride pair, formulation, purity level and processing conditions.

Application Context of ABHQ in Polyimide Systems

ABHQ is typically used as a structural monomer rather than a finished application material. It can be considered in high-performance polymer research where aromatic rigidity, ester-containing structure and balanced processability are of interest.

Specialty functional polyimide development – structural monomer selection for specialty polymer systems.
Flexible and processable polyimide applications – processability, film formation and polymer design considerations.
High-temperature polyimide applications – thermal stability and high-performance polymer environments.
Optical and structurally ordered polymer systems – aromatic structure and polymer alignment research contexts.

COA, SDS and Technical Documentation

Aure Chemical can provide COA, SDS, TDS, typical specifications and packaging information for ABHQ CAS 22095-98-3 upon request. Available batch COA shows 99.68% purity by HPLC and moisture of 0.04% under the listed standard.

Please share the required purity, target specification, quantity, destination country or port, preferred packaging method and required documents so we can review availability, documentation support and export packing options.

Contact Aure Chemical for ABHQ documentation and quotation support.

Packaging, Logistics & Compliance Capabilities

Aure Chemical provides flexible packaging solutions, compliant logistics arrangements, and controlled storage practices to support laboratory-scale, pilot-scale, and commercial-scale global supply.