Description

4,5-Dihydrobenzo[A]Pyrene is a high-purity polycyclic aromatic hydrocarbon (PAH) derivative, a critical compound for advanced research and development. It serves as a valuable intermediate and reference standard in analytical chemistry and environmental toxicology studies. This product is essential for researchers and quality control laboratories in the pharmaceutical, environmental monitoring, and chemical synthesis sectors requiring precise analytical materials.

Application

• Analytical Reference Standard: Used as a certified reference material (CRM) for the calibration of instruments and validation of analytical methods in gas chromatography (GC) and high-performance liquid chromatography (HPLC).
• Environmental Research: Employed in studies monitoring and quantifying PAH pollutants in soil, water, and air samples to assess environmental impact and compliance.
• Toxicology & Metabolic Studies: Acts as a key intermediate or metabolite analog in research investigating the biological activity, metabolic pathways, and carcinogenic potential of benzo[a]pyrene and related compounds.
• Organic Synthesis Intermediate: Serves as a specialized building block for the synthesis of more complex polycyclic aromatic structures for material science or pharmaceutical research.
• Quality Control & Assurance: Utilized by chemical manufacturers and testing laboratories to verify the purity and identity of related PAH compounds and mixtures.

Basic Information

Product Name	4,5-Dihydrobenzo[A]Pyrene
CAS No.	57652-66-1
Molecular Formula	C20H14
Molecular Weight	254.33 g/mol
Synonyms	4,5-Dihydrobenzo[a]pyrene; 4,5-Dihydrobenzo(a)pyrene; Benzo[a]pyrene-4,5-dihydro; 1,2,3,10b-Tetrahydrobenzo[a]pyrene; 4,5-Dihydro-BaP; 4,5-DHBaP; PAH Derivative; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 4,5-Dihydrobenzo[A]Pyrene is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and industrial applications. A detailed Certificate of Analysis (COA) providing batch-specific data is available for every shipment.

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. Handle and store in accordance with all applicable local and international regulations for laboratory chemicals.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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