Description

1,2-Benzofluorene CAS NO 238-84-6 is a high-purity polycyclic aromatic hydrocarbon (PAH) compound of significant industrial and research interest. This compound serves as a critical intermediate and reference standard in advanced material science and analytical chemistry. It is primarily utilized by manufacturers and R&D laboratories in the electronics, specialty chemical, and environmental monitoring sectors for its unique structural and electronic properties.

Application

• Organic Electronic Materials: Key intermediate in the synthesis of organic semiconductors, hole-transport materials, and light-emitting compounds for OLEDs and OFETs.
• Analytical Reference Standard: High-purity standard for calibrating instruments and quantifying polycyclic aromatic hydrocarbons (PAHs) in environmental, food, and industrial hygiene testing (e.g., EPA, ISO methods).
• Chemical Synthesis: Versatile building block for creating complex PAH-based structures, dyes, and ligands in pharmaceutical and agrochemical research.
• Photochemical & Material Research: Used in studies of photophysical properties, energy transfer mechanisms, and as a model compound in carbon material science.
• Polymer Science: Acts as a comonomer or additive to modify the thermal and optical properties of advanced polymeric materials.

Basic Information

Product Name	1,2-Benzofluorene
CAS No.	238-84-6
Molecular Formula	C17H12
Molecular Weight	216.28 g/mol
Synonyms	1,2-Benzofluorene; 2,3-Benzofluorene; Benzo[b]fluorene; NSC 8926; 2,3-Benzo-9H-fluorene; 9H-Benzo[b]fluorene; 238-84-6; α-Benzofluorene
EINECS	205-923-2

Quality Control

Our 1,2-Benzofluorene is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and spectroscopic methods (IR, NMR), to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with customer specifications and relevant industry standards for reference materials and fine chemicals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	207 - 212 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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