Description

4,4'-[(1,1,3,3-Tetramethyl-1,3-Propanedisiloxanediyl)Bis(4,1-Butanediyloxy)]Bis(Benzenamine) is a specialized organosilicon compound featuring a central disiloxane bridge linked to aromatic amine termini via flexible butyloxy spacers. This unique molecular architecture provides a versatile platform for advanced material synthesis, offering a combination of thermal stability, processability, and reactive amine functionality. It is a critical intermediate for researchers and manufacturers in high-performance polymer and specialty chemical sectors seeking to develop novel materials with tailored properties.

Application

• Advanced Polymer Synthesis: Serves as a key monomer or chain extender for polyimides, polyamides, and polyurethanes, imparting enhanced flexibility, thermal stability, and solubility.
• Epoxy Resin Modifiers: Used as a curing agent or additive to modify the toughness, adhesion, and thermal properties of epoxy systems for composites and coatings.
• Liquid Crystal Polymers (LCPs): Acts as a mesogenic unit precursor for the development of siloxane-containing LCPs with unique optical and mechanical characteristics.
• Surface Modification & Coupling Agents: The amine groups facilitate bonding to various substrates, making it useful for creating functionalized surfaces and improving filler-matrix adhesion in composites.
• Pharmaceutical & Agrochemical Intermediates: Utilized in the synthesis of complex molecules where the siloxane unit can influence bioavailability or environmental stability.
• Specialty Silicone Elastomers: Incorporated to introduce aromatic amine functionality, enabling cross-linking or property modification in high-performance silicone formulations.

Basic Information

Product Name	4,4'-[(1,1,3,3-Tetramethyl-1,3-Propanedisiloxanediyl)Bis(4,1-Butanediyloxy)]Bis(Benzenamine)
CAS No.	72066-92-3
Molecular Formula	C30H50N2O4Si2
Molecular Weight	558.91 g/mol
Synonyms	1,3-Bis[4-(4-aminophenoxy)butyl]-1,1,3,3-tetramethyldisiloxane; 4,4'-(1,1,3,3-Tetramethyl-1,3-disiloxanediyl)bis(butane-4,1-diyloxy)dianiline; Bis[4-(4-aminophenoxy)butyl]tetramethyldisiloxane; α,ω-Bis(4-aminophenoxybutyl)polydimethylsiloxane (dimer); APBDS; Siloxane Diamine APBDS; Tetramethylbis(4-(4-aminophenoxy)butyl)disiloxane
EINECS	Contact for details

Quality Control

Our production of 4,4'-[(1,1,3,3-Tetramethyl-1,3-Propanedisiloxanediyl)Bis(4,1-Butanediyloxy)]Bis(Benzenamine) adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure high purity and batch-to-batch consistency suitable for research and industrial synthesis. A detailed Certificate of Analysis (COA) documenting all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). The compound may be hygroscopic; keep the container tightly sealed under an inert atmosphere such as nitrogen for long-term storage to prevent moisture absorption and potential oxidation.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Primary Amine Content	Contact for details
Viscosity (25°C)	Contact for details

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