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.

We can provide customized requirements in terms of product purity, packaging specifications, and other aspects.

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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, Transportation & Storage

Aure Chemical ensures that all products are handled in compliance with international safety and quality standards. Each product’s SDS should be consulted for detailed requirements.

Packaging

We use certified UN-rated containers suitable for each chemical type — including steel drums, HDPE drums, IBCs, and ISO tank containers for bulk liquids. All packages are tested for integrity and labeled per IMDG / IATA / ADR standards.

Transportation

Shipments comply with IMDG, IATA, and ADR codes to ensure safe and lawful movement by sea, air, or land. Accompanying documents include SDS, Dangerous Goods Declarations, and COAs.

Storage

Products should be stored in well-ventilated, dry areas, away from heat and incompatible substances. Follow ISO 9001 / 14001 principles for safety, labeling, and periodic inspection.

For detailed handling or customized packaging inquiries, please contact us.

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