Description

N,N'-[9H-Fluorene-9,9-Diylbis(4,1-Phenylene)]Bis[2-(4-tert-Butylphenoxy)Acetamide] CAS NO 497088-82-1 is a high-performance, multifunctional organic compound featuring a rigid fluorene core and multiple aromatic ether and amide linkages. This complex molecular architecture is engineered to deliver exceptional thermal stability and tailored chemical functionality, making it a critical intermediate for advanced material synthesis. It is primarily sought by R&D and production teams in the polymer, pharmaceutical, and specialty chemical industries for developing next-generation additives, high-temperature resins, and active pharmaceutical ingredients (APIs).

Application

• Polymer Additive & Stabilizer: Acts as a high-efficiency light stabilizer (HALS) or antioxidant precursor in engineering plastics, polyolefins, and coatings to enhance durability and lifespan.
• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of complex drug molecules, particularly those requiring a bulky, rigid scaffold for specific biological activity.
• Advanced Material Synthesis: Used in the production of polyimides, polyamides, and other high-performance polymers where thermal stability and mechanical strength are paramount.
• Liquid Crystal & OLED Materials: Functions as a core component or side-chain modifier in the development of organic electronic materials due to its conjugated structure.
• Cross-linking Agent: Employed in epoxy and other thermoset resin systems to improve cross-link density and thermal properties.
• Research & Development: A valuable compound for academic and industrial research in organic synthesis and material science.

Basic Information

Item	Details
Product Name	N,N'-[9H-Fluorene-9,9-Diylbis(4,1-Phenylene)]Bis[2-(4-tert-Butylphenoxy)Acetamide]
CAS No.	497088-82-1
Molecular Formula	C58H56N2O4
Molecular Weight	845.08 g/mol
Synonyms	9,9-Bis[4-[2-[(4-tert-butylphenoxy)acetamido]phenyl]fluorene; Fluorene-9,9-diylbis(4,1-phenylene) bis[2-(4-tert-butylphenoxy)acetamide]; 2,2'-(9,9-Bis(4-aminophenyl)fluorene-9,9-diyl)bis(N-(4-(tert-butyl)phenyl)acetamide); BAPF-derived bis-acetamide; Light stabilizer intermediate LS-770 (analog); Contact for additional trade names.
EINECS	Contact for details

Quality Control

Every batch of N,N'-[9H-Fluorene-9,9-Diylbis(4,1-Phenylene)]Bis[2-(4-tert-Butylphenoxy)Acetamide] is manufactured and tested under a strict quality management system. We employ advanced analytical techniques including HPLC, NMR, and GC-MS to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment, and custom purity grades or analytical packages are available to meet specific project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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