Description

4-Methylchrysene is a high-purity polycyclic aromatic hydrocarbon (PAH) compound, identified by CAS NO 3351-30-2. It serves as a critical reference standard and a valuable synthetic intermediate in advanced chemical research and development. This compound is essential for researchers and quality control laboratories in the environmental, pharmaceutical, and material science industries, where precise analytical standards are paramount for calibration, method validation, and toxicological studies.

Application

• Analytical Reference Standard: Primary use as a certified reference material (CRM) for the calibration of instruments like GC-MS and HPLC in environmental pollutant analysis.
• Toxicology & Carcinogenicity Research: A key compound in studies investigating the metabolic pathways, DNA adduct formation, and carcinogenic mechanisms of methylated polycyclic aromatic hydrocarbons.
• Environmental Monitoring: Used in the quantification and profiling of PAHs in complex matrices such as soil, water, air particulates, and industrial emissions.
• Organic Synthesis Intermediate: Serves as a building block for the synthesis of more complex PAH derivatives and specialized organic materials.
• Method Development & Validation: Critical for developing, optimizing, and validating analytical methods in compliance with regulatory guidelines from agencies like the EPA and EU.
• Educational & Forensic Analysis: Used in academic settings for teaching advanced analytical techniques and in forensic labs for source identification of environmental contaminants.

Basic Information

Product Name	4-Methylchrysene
CAS No.	3351-30-2
Molecular Formula	C₁₉H₁₄
Molecular Weight	242.32 g/mol
Synonyms	4-Methylchrysene; 4-Methyl-1,2-benzophenanthrene; 1,2-Benzophenanthrene, 4-methyl-; Chrysene, 4-methyl-; 4-Methylbenz[a]phenanthrene; NSC 89284
EINECS	Contact for details

Quality Control

Our 4-Methylchrysene is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including identity confirmation by spectroscopic methods (IR, NMR) and purity determination by chromatographic techniques (HPLC, GC). We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your research and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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