1,4-Bis(4-aminophenoxy)benzene (TPE-Q) CAS 3491-12-1

Name: 1,4-Bis(4-aminophenoxy)benzene (TPE-Q) CAS 3491-12-1
Brand: Aure Chemical
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Synonyms: 4,4'-(p-Phenylenedioxy)dianiline; 4,4'-[1,4-Phenylenebis(oxy)]dianiline; Hydroquinone Bis(4-aminophenyl) Ether; 1,4-Bis(p-aminophenoxy)benzene; 1,4-Phenylene-di-4-aminophenyl ether; 4-[4-(4-aminophenoxy)phenoxy]aniline

Shandong Aure Chemical Co., Ltd. is one of the leading suppliers of TPE-Q in China and also one of the manufacturers of this product.

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Product Details

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1,4-Bis(4-aminophenoxy)benzene (TPE-Q), CAS 3491-12-1, is an aromatic diamine monomer with flexible ether linkages, enabling the synthesis of high-performance polymers such as polyimides with enhanced thermal stability, solubility, mechanical toughness, and semicrystalline properties.

Basic Information of TPE-Q

Product Name	1,4-Bis(4-aminophenoxy)benzene
Abbreviation	TPE-Q
CAS Number	3491-12-1
Molecular Formula	C18H16N2O2
Molecular Weight	292.33 g/mol
Appearance	Pale brown powder
Purity	≥99%
Package	1kg/bottle, 20kg/drum, or customized
Molecular formula

Key Properties

Reasonable thermal stability for aromatic diamines
Rigidity from aromatic phenoxy linkages
Dual amine groups suitable for polymerization / crosslinking
Good compatibility with dianhydrides / comonomers
Moderate processability in suitable solvents

Key Applications of TPE-Q

High-Performance Polymers and Composites: Serves as a diamine monomer for synthesizing semicrystalline, melt-processable polyimides (e.g., with BPDA, PMDA, or HQDPA), offering high glass transition temperatures and thermal resistance for aerospace composites, structural materials, and engineering plastics.

Electronics and Insulating Materials: Incorporated into organosoluble polyimides and poly(amide-imide-imide)s for electronic insulators, flexible films, and high-toughness free-standing films in semiconductor applications and advanced electronics.

Vitrimer and Recyclable Materials: Utilized in supramolecular vitrimers with dynamic networks for synergistic strengthening and toughening, enabling recyclable, self-healing polymers for sustainable applications.

Epoxy Resins and Other Materials: Acts as a curing agent or precursor in epoxy resins and dyes, contributing to chemical stability in coatings and pigments.

Detailed COA / TDS / MSDS are available upon request. Please Contact Us for more information.

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.