Description

(Ethanone, 1,1'-(9,9'-Spirobi[9H-Fluorene]-2,2'-Diyl)Bis-) is a high-purity, specialized organic compound featuring a rigid spirobi[9H-fluorene] core structure. This compound is valued for its unique electronic and steric properties, making it a critical intermediate in advanced material synthesis. It is primarily sought by manufacturers in the OLED, photoresist, and pharmaceutical industries for the development of next-generation electronic and optoelectronic devices.

Application

• OLED Materials: Serves as a key building block (host or dopant material) in the synthesis of organic light-emitting diodes (OLEDs) for displays and lighting.
• Photoresist Components: Used as a photoactive compound (PAC) or monomer in advanced photoresists for semiconductor lithography.
• Pharmaceutical Intermediates: Acts as a sophisticated scaffold or intermediate in the research and development of novel active pharmaceutical ingredients (APIs).
• Organic Electronics: Employed in the fabrication of organic field-effect transistors (OFETs) and perovskite solar cells due to its charge-transport characteristics.
• Ligand Synthesis: Utilized to create complex ligands for catalysis and metal-organic frameworks (MOFs).
• Polymer Science: Functions as a monomer or cross-linking agent for high-performance, thermally stable polymers.

Basic Information

Product Name	(Ethanone, 1,1'-(9,9'-Spirobi[9H-Fluorene]-2,2'-Diyl)Bis-)
CAS No.	22824-83-5
Molecular Formula	C33H22O2
Molecular Weight	450.53 g/mol
Synonyms	2,2'-Diacetyl-9,9'-spirobi[9H-fluorene]; 9,9'-Spirobi[9H-fluorene]-2,2'-diyl diacetate; 2,2'-Bis(acetyl)-9,9'-spirobifluorene; SBF-DA; Spirobifluorene diacetone; 1,1'-(Spirobi[9H-fluorene]-2,2'-diyl)diethanone; 2,2'-Diacetylsiprobi[9H-fluorene]; Diacetylspirobifluorene
EINECS	Contact for details

Quality Control

Our (Ethanone, 1,1'-(9,9'-Spirobi[9H-Fluorene]-2,2'-Diyl)Bis-) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and batch-to-batch consistency suitable for sensitive electronic and pharmaceutical applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is light-sensitive (store away from light). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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