4-Aminobenzoic acid 4-aminophenyl ester (APAB) CAS 20610-77-9

Synonyms: 4-Aminophenyl 4-aminobenzoate; Phenol, 4-amino-, 1-(4-aminobenzoate)

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Product Details

Aure Chemical Delivers Excellence in APAB

4-Aminobenzoic acid 4-aminophenyl ester (APAB), CAS 20610-77-9, is a diamine monomer with an ester linkage, offering rigidity and reactivity for synthesizing high-performance polymers. Its structure enables the creation of materials with enhanced thermal stability, mechanical strength, and chemical resistance.

Basic Information of APAB

Product Name	4-Aminobenzoic acid 4-aminophenyl ester
Abbreviation	APAB
CAS Number	20610-77-9
Molecular Formula	C13H12N2O2
Molecular Weight	228.25 g/mol
Appearance	Light yellow to Brown powder to crystaline
Purity	≥99%
Package	1kg/bottle, 20kg/drum, or customized
Molecular formula

Key Properties

High rigidity from aromatic ester structure
Excellent thermal and oxidative stability
Strong hydrogen bonding enhances mechanical performance
Good compatibility with dianhydrides for polyimide synthesis
Improved durability in aerospace and electronics applications

Key Applications of APAB

Polyimides and Polyamides: Used as a diamine precursor in the synthesis of polyimides and polyamides for aerospace composites, flexible electronics, and high-temperature adhesives, providing excellent thermal and mechanical properties.

High-Performance Coatings: Incorporated into coatings for industrial and aerospace applications, offering durability, chemical resistance, and thermal stability under extreme conditions.

Specialty Polymers: Utilized in engineering plastics and resins for automotive and electronic components, leveraging its ability to form stable, rigid polymer networks.

Liquid Crystal Polymers: Employed in the development of liquid crystal polymers for optical and electronic applications, such as displays, due to its aromatic structure and alignment properties.

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