Description

Dibenz[B,F]Oxepin CAS NO 257-05-6 is a high-purity, specialized heterocyclic organic compound characterized by its fused oxepin and benzene ring structure. This compound serves as a critical advanced intermediate in the synthesis of complex molecules, particularly within pharmaceutical and advanced materials research. It is essential for R&D chemists and process development scientists working in pharmaceutical development, agrochemical innovation, and organic electronics.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a precursor for organic semiconductors, conductive polymers, and light-emitting materials.
• Chemical Synthesis: Valuable scaffold in academic and industrial organic chemistry for constructing complex polycyclic structures.
• Ligand & Catalyst Development: Utilized in the creation of specialized ligands for catalytic systems and metal-organic frameworks (MOFs).

Basic Information

Product Name	Dibenz[B,F]Oxepin
CAS No.	257-05-6
Molecular Formula	C14H10O
Molecular Weight	194.23 g/mol
Synonyms	10-Oxa-1,2:5,6-dibenzocyclohepta-1,3,5-triene; Dibenz[b,f]oxepin; 10H-Dibenz[b,f]oxepin; Dibenzoxepin; NSC 404071; 1-Oxacycloundeca-1,2,4,6,8,10-hexaene; 10H-Dibenzo[b,f]oxepine
EINECS	205-953-5

Quality Control

Our Dibenz[B,F]Oxepin is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing purity, identity, and impurity profiles. Our quality commitment aligns with cGMP principles for advanced intermediates, and we support customer audits and regulatory documentation.

Storage

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

Specification

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

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