Description

7-Chlorobenz(A)Anthracene is a high-purity chlorinated polycyclic aromatic hydrocarbon (PAH) compound, identified by CAS NO 20268-52-4. This specialty chemical serves as a critical building block and reference standard in advanced research and development. It is primarily utilized by scientists and engineers in the fields of organic synthesis, materials science, and environmental analysis. Our supply ensures consistent quality and reliable availability for demanding industrial and research applications.

Application

• Organic Synthesis Intermediate: Acts as a key precursor for synthesizing more complex polycyclic aromatic compounds and functionalized materials.
• Analytical Reference Standard: Used for calibration, method development, and quantification in environmental and analytical chemistry, particularly for PAH analysis.
• Materials Science Research: Investigated for its electronic and photophysical properties in the development of organic semiconductors and optoelectronic materials.
• Environmental Contaminant Studies: Serves as a model compound in research on the fate, transport, and remediation of chlorinated PAHs in the environment.
• Pharmaceutical Research: Employed in biochemical research as a structural motif or probe in the study of biological interactions.

Basic Information

Product Name	7-Chlorobenz(A)Anthracene
CAS No.	20268-52-4
Molecular Formula	C₁₈H₁₁Cl
Molecular Weight	262.73 g/mol
Synonyms	7-Chlorobenz[a]anthracene; 7-Chloro-1,2-benzanthracene; 7-Chloro-1,2-benzanthrene; 7-Chloro-BA; 7-Chlorobenzo[a]anthracene; 7-Monochlorobenz[a]anthracene; Benz[a]anthracene, 7-chloro-
EINECS	243-677-8

Quality Control

Every batch of 7-Chlorobenz(A)Anthracene is manufactured and tested under a strict quality management system. We ensure high purity and batch-to-batch consistency through advanced analytical techniques including HPLC, GC-MS, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to support your quality assurance protocols.

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, consider storage under an inert atmosphere.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details

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