Description

11H-Benzo[B]Fluorene, 5-Bromo-11,11-Dimethyl- is a high-purity, specialized brominated fluorene derivative used as a critical building block in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel functional materials, including organic semiconductors and light-emitting materials. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, polycyclic aromatic framework.
• Organic Electronic Materials: Used in the synthesis of organic semiconductors, hole-transport materials, and emitters for OLED (Organic Light-Emitting Diode) and OFET (Organic Field-Effect Transistor) applications.
• Agrochemical Research: Acts as a precursor in the development of new herbicides, fungicides, and plant growth regulators that leverage its unique aromatic structure.
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Dye & Pigment Chemistry: Functions as a core structure for developing novel dyes, pigments, and fluorescent markers due to its extended conjugated system.
• Polymer Science: Incorporated as a monomer or cross-linking agent in the synthesis of high-performance polymers with specific thermal or optical properties.

Basic Information

Product Name	11H-Benzo[B]Fluorene, 5-Bromo-11,11-Dimethyl-
CAS No.	2124211-83-0
Molecular Formula	C19H15Br
Molecular Weight	323.23 g/mol
Synonyms	5-Bromo-11,11-dimethyl-11H-benzo[b]fluorene; 5-Bromo-11,11-dimethylbenzo[b]fluorene; 11,11-Dimethyl-5-bromo-11H-benzo[b]fluorene; Benzo[b]fluorene, 5-bromo-11,11-dimethyl-; 2124211-83-0; 5-Bromo-11,11-dimethyl-11H-benzo[b]fluorene; 11H-Benzo[b]fluorene, 5-bromo-11,11-dimethyl-
EINECS	Contact for details

Quality Control

Our 11H-Benzo[B]Fluorene, 5-Bromo-11,11-Dimethyl- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed chromatographic data are provided for every shipment, supporting your quality assurance and regulatory documentation needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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