Description

Dibenzo(A,J)Anthracene CAS NO 224-41-9 is a high-purity polycyclic aromatic hydrocarbon (PAH) compound, recognized for its role as a key reference standard and research chemical. Its precise molecular structure makes it an essential material for analytical calibration and toxicological studies. This product is primarily required by research institutions, environmental testing laboratories, and chemical manufacturers engaged in the development and validation of analytical methods for PAH detection and quantification.

Application

• Analytical Reference Standard: Used as a certified reference material (CRM) for calibrating instruments like HPLC, GC-MS, and fluorescence spectrophotometers in environmental and food safety testing.
• Toxicology and Cancer Research: Serves as a model compound in studies investigating the carcinogenic mechanisms and metabolic pathways of polycyclic aromatic hydrocarbons.
• Environmental Monitoring: Employed in the analysis of soil, water, and air samples to quantify PAH contamination levels for regulatory compliance and risk assessment.
• Method Development and Validation: Critical for developing, optimizing, and validating new analytical protocols in accredited testing laboratories.
• Quality Control: Used by producers of complex chemical mixtures or materials to verify the absence or presence of specific PAH impurities.
• Educational and Forensic Analysis: Applied in academic settings for teaching advanced analytical techniques and in forensic labs for material characterization.

Basic Information

Product Name	Dibenzo(A,J)Anthracene
CAS No.	224-41-9
Molecular Formula	C24H14
Molecular Weight	302.37 g/mol
Synonyms	Dibenz[a,j]anthracene; 1,2:7,8-Dibenzanthracene; DB[a,j]A; 1,2:7,8-DBA; 1,2:7,8-Dibenz[a]anthracene; NSC 22486; Benzo[l]fluoranthene
EINECS	224-41-9

Quality Control

Our Dibenzo(A,J)Anthracene is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability for critical research and analytical applications. Each lot undergoes comprehensive analysis using techniques including HPLC, GC-MS, and melting point determination to verify identity and purity. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting the exact specifications and test results. We support compliance with various pharmacopeial and ISO guidelines for reference materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). Keep the container tightly sealed in a well-ventilated area. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	196 - 202 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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