Description

Spiro-2Cbp, 2,7-Bis(9-Carbazolyl)-9,9'-spirobifluorene is a high-performance organic semiconductor material belonging to the class of spiro-conjugated compounds. It matters for its exceptional hole-transporting properties, high thermal stability, and excellent film-forming characteristics, which are critical for device efficiency and longevity. This compound is primarily needed by manufacturers in the organic light-emitting diode (OLED) and organic photovoltaic (OPV) industries for use in advanced display and energy technologies.

Application

• Hole Transport Layer (HTL) in OLED devices for displays and lighting.
• Host Material in phosphorescent OLED (PHOLED) emissive layers.
• Key component in the fabrication of organic thin-film transistors (OTFTs).
• Donor or acceptor material in organic solar cell (OPV) active layers.
• Used in research and development of perovskite solar cells as an interfacial layer.
• Building block for synthesizing more complex organic electronic materials.

Basic Information

Product Name	Spiro-2Cbp
CAS No.	924899-38-7
Molecular Formula	C53H32N2
Molecular Weight	696.83 g/mol
Synonyms	2,7-Bis(9-carbazolyl)-9,9'-spirobifluorene; 9,9'-Spirobi[9H-fluorene]-2,7-diyldi-9H-carbazole; Spiro-2CBP; 2,7-Di(carbazol-9-yl)-9,9'-spirobifluorene; SCBP; 2,7-Bis(9H-carbazol-9-yl)-9,9'-spirobi[9H-fluorene]; Hole Transport Material 2CBP; CAS 924899-38-7
EINECS	Contact for details

Quality Control

Our Spiro-2Cbp is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity, essential for optoelectronic device performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles as verified by HPLC, NMR, and elemental analysis. Our quality commitment aligns with the stringent material requirements of the display and semiconductor industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) to prevent oxidation. The material is light-sensitive and easily oxidized; prolonged exposure to air and light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 99.5% (Area %)
Residual Solvents (GC)	≤ 0.1% (Total)
Heavy Metals	≤ 10 ppm
Glass Transition Temperature (Tg)	≥ 140 °C
Thermal Decomposition Temperature (Td)	≥ 400 °C

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