Description

Ao 128 is a high-purity specialty chemical compound identified by CAS No. 112653-29-9. This product is valued for its role as a key intermediate or functional additive in advanced synthesis and material science applications. It is essential for manufacturers and R&D facilities in the pharmaceutical, agrochemical, and performance polymer industries seeking reliable, high-quality raw materials.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced crop protection agents and herbicides.
• Polymer Modification: Acts as a functional monomer or cross-linking agent to enhance the properties of specialty polymers and resins.
• Material Science Research: Employed in R&D for developing novel organic electronic materials or advanced coatings.
• Fine Chemical Production: A versatile precursor for synthesizing complex organic molecules in custom manufacturing.
• Liquid Crystal & Display Technology: Potential use in the formulation of liquid crystal mixtures for electronic displays.

Basic Information

Product Name	Ao 128
CAS No.	112653-29-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	1,4-Bis(4-aminophenoxy)benzene; 4,4'-[1,4-Phenylenebis(oxy)]dianiline; BAPB; 1,4-Bis(p-aminophenoxy)benzene; AO-128; CAS 112653-29-9; 4,4'-(1,4-Phenylenedioxy)dianiline
EINECS	Contact for details

Quality Control

Our Ao 128 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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