Description

2,5-Bis(4-Aminophenyl)Thiophene is a high-purity aromatic diamine monomer featuring a central thiophene ring, which is critical for imparting unique electronic and thermal properties to advanced polymers. This compound matters because it serves as a fundamental building block for high-performance materials, enabling the synthesis of polyimides, polyamides, and other specialty polymers with exceptional stability. It is primarily needed by R&D chemists and production engineers in the electronics, aerospace, and advanced materials sectors seeking to develop heat-resistant resins, photoconductive polymers, and nonlinear optical materials.

Application

• Polymer Synthesis: A key monomer for producing high-temperature resistant polyimides and polyamides used in aerospace and electronics.
• Advanced Material Research: Serves as a precursor for organic semiconductors, photoconductive materials, and nonlinear optical (NLO) chromophores.
• Pharmaceutical Intermediates: Used in the research and development of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Liquid Crystal & Display Technology: Acts as a core component in the synthesis of liquid crystal polymers and alignment layers for displays.
• Corrosion-Resistant Coatings: Incorporated into polymer coatings to enhance chemical resistance and durability on metal surfaces.
• Adhesive & Composite Formulations: Used in high-performance epoxy curing agents and composite matrix materials.

Basic Information

Product Name	2,5-Bis(4-Aminophenyl)Thiophene
CAS No.	70010-49-0
Molecular Formula	C16H14N2S
Molecular Weight	266.36 g/mol
Synonyms	4,4'-(2,5-Thiophenediyl)dianiline; 2,5-Di(4-aminophenyl)thiophene; 2,5-Bis(p-aminophenyl)thiophene; 2,5-Bis(4-aminophenyl)thiophene; Thiophene-2,5-diylbis(4,1-phenylene)diamine; 4,4'-Diamino-2',5'-diphenylthiophene; 2,5-Bis(4-aminophenyl)-thiophene
EINECS	Contact for details

Quality Control

Our 2,5-Bis(4-Aminophenyl)Thiophene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store the product under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to beige crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	245 - 250 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.