Understanding the fundamental chemistry of raw materials is essential for innovation in the chemical and materials science sectors. 1,3-Bis(4-aminophenoxy)benzene, universally identified by its CAS number 2479-46-1 and often referred to as TPE-R, is a fascinating molecule with significant utility. Its chemical structure, C18H16N2O2, and its designation as an aromatic diamine, place it at the forefront of creating advanced polymers and functional materials. As a leading chemical supplier, we aim to provide not just the product, but also the scientific insights that empower our clients.

The molecular architecture of TPE-R is central to its performance. It consists of a central benzene ring linked via ether (-O-) bridges to two aniline (aminobenzene) groups. Specifically, the structure is 4,4'-(1,3-Phenylenedioxy)dianiline. This arrangement imparts several key characteristics: the aromatic rings provide rigidity and thermal stability, while the ether linkages introduce a degree of flexibility and improve solubility in certain organic solvents. The terminal amine (-NH2) groups are highly reactive and serve as the sites for polymerization, most notably in the formation of amide or imide linkages.

The applications of TPE-R are a direct consequence of its molecular design. In the synthesis of polyimides, the diamine reacts with dianhydrides. The resulting polyimides benefit from the TPE-R backbone, offering excellent thermal resistance (often exceeding 300°C), good mechanical strength, and dielectric properties that are crucial for high-temperature electronic components, insulation, and aerospace applications. The unique flexural properties imparted by the ether linkages can also be advantageous for creating polyimides that are less brittle.

Furthermore, TPE-R's amine functionalities allow it to participate in other polymerization reactions, such as with diisocyanates to form polyureas or with epoxides as a curing agent. Its potential in fuel cell technology is an active area of research, where it can be copolymerized to create ion-conducting membranes. The presence of amine groups also enables TPE-R to act as a ligand, coordinating with metal ions to form complexes used in catalysis or sensing. For researchers and product developers looking to buy materials with such versatile chemical behavior, TPE-R is an excellent choice.

As a chemical manufacturer, we understand the precision required in producing TPE-R. Our commitment is to supply this compound at high purity levels, typically above 99%, ensuring that our customers receive material that performs reliably in their intricate syntheses. Whether you are developing next-generation polymers, novel electronic materials, or advanced membrane technologies, sourcing your TPE-R from a reputable manufacturer in China guarantees access to a vital chemical intermediate with a well-understood structure-property relationship. We encourage inquiries for bulk purchases and custom requirements.