Description

Dibenzo(A,I)Pyrene CAS NO 189-55-9 is a high-purity polycyclic aromatic hydrocarbon (PAH) compound of significant interest in advanced chemical research and analytical science. This compound serves as a critical reference standard and a valuable intermediate in the synthesis of complex organic materials. It is primarily utilized by research institutions, analytical laboratories, and specialty chemical manufacturers engaged in environmental monitoring, toxicology studies, and materials science. Our product is supplied with guaranteed purity and stability, ensuring reliable and reproducible results for your most demanding applications.

Application

• Analytical Reference Standard: Certified material for the calibration of instruments and validation of methods in gas chromatography (GC) and high-performance liquid chromatography (HPLC) for PAH analysis.
• Environmental Research: Used in studies monitoring and quantifying PAH pollutants in soil, water, and air samples to assess environmental impact and compliance.
• Toxicological Studies: Serves as a key compound in mutagenicity and carcinogenicity research to understand the biological effects of complex PAHs.
• Chemical Synthesis: Acts as a sophisticated building block or precursor in the development of organic electronic materials, dyes, and other specialty chemicals.
• Quality Control: Employed by industrial laboratories to test and ensure the purity of related chemical products or to monitor process streams.
• Academic Research: Fundamental research tool in universities and institutes for studying organic reaction mechanisms, photochemistry, and molecular properties.

Basic Information

Item	Detail
Product Name	Dibenzo(A,I)Pyrene
CAS No.	189-55-9
Molecular Formula	C24H14
Molecular Weight	302.37 g/mol
Synonyms	Dibenzo[a,i]pyrene; 1,2:9,10-Dibenzopyrene; 1,2:9,10-Dibenzo[a,i]pyrene; DB[a,i]P; NSC 89267; Benzo[rst]pentaphene
EINECS	205-892-7

Quality Control

Every batch of Dibenzo(A,I)Pyrene is manufactured and tested under a strict quality management system. We guarantee high chemical purity and lot-to-lot 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 ensure full traceability and compliance with your research or production requirements.

Storage

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

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.