2-(4-aminophenyl)-5-aminobenzoxazole (APBOA) CAS 13676-47-6

Name: 2-(4-aminophenyl)-5-aminobenzoxazole (APBOA) CAS 13676-47-6
Brand: Aure Chemical
Price: 1.00 USD
Availability: InStock
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Synonyms: 5-Amino-2-(4-aminophenyl)benzoxazole; 2-(4-Aminophenyl)benzoxazol-5-amine; 2-(4-Aminophenyl)benzo[d]oxazol-5-amine; 5-Benzoxazolamine, 2-(4-aminophenyl)-; 2-(4-Aminophenyl)-1,3-benzoxazol-5-amine; 5-Amino-2-(p-aminophenyl)benzoxazole

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

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Product Details

Explore Top-Quality APBOA with Aure Chemical

2-(4-Aminophenyl)-5-aminobenzoxazole (APBOA), CAS 13676-47-6, also known as 5-Amino-2-(4-aminophenyl)benzoxazole or DAPBO, is a heteroaromatic diamine monomer featuring a rigid benzoxazole core and dual amine functionalities. This structure imparts high thermal stability, mechanical strength, and chemical resistance to derived polymers such as polyimides, supporting advanced materials synthesis.

Basic Information of APBOA

Product Name	2-(4-aminophenyl)-5-aminobenzoxazole
Abbreviation	APBOA
CAS Number	13676-47-6
Molecular Formula	C13H11N3O
Molecular Weight	225.25 g/mol
Appearance	Off-white to tan solid
Purity	≥99%
Package	1kg/bottle, 20kg/drum, or customized
Molecular Structure

Key Properties

High thermal stability and structural rigidity
Good chemical resistance in harsh environments
Stable mechanical properties when incorporated in polymers
Can contribute to intrinsic flame resistance in certain polymer systems
Dual amine functionality enabling polymer chain extension or crosslinking

Key Application Contexts of APBOA

High-Performance Polyimide Systems: Serves as a comonomer in rigid polyimides, copolymers, and polyimide foams designed for demanding thermal and mechanical environments, including high-temperature and aerospace-related polymer systems .

Gas Separation Membrane Research: Incorporated into rigid polyimide membranes for gas transport and separation studies, where molecular rigidity influences permeability and selectivity.

Electronics and Optoelectronic Materials: Utilized in low-dielectric polyimide formulations investigated for electronics and semiconductor-related polymer research , including flexible substrates and insulating materials.

Energy Storage Materials Research: Studied in polyimide-based binders and dielectric polymers for electrochemical and capacitive energy storage investigations.

Specialty Functional Materials: Explored in covalent organic frameworks (COFs), specialty coatings, and other specialty functional polymer systems at the material research level.

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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