Description

5-Methylquinoline is a versatile heterocyclic aromatic compound that serves as a crucial intermediate in advanced organic synthesis. Its unique quinoline structure, substituted with a methyl group, makes it a valuable building block for creating complex molecules with specific electronic and steric properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with antimalarial, antibacterial, or anticancer properties.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, where the quinoline core contributes to biological activity.
• Catalyst & Ligand Precursor: Serves as a starting material for synthesizing nitrogen-containing ligands used in homogeneous catalysis for fine chemical production.
• Dye & Pigment Manufacturing: Acts as an intermediate in the creation of quinoline-based dyes, pigments, and optical brighteners.
• Corrosion Inhibitor Formulation: Utilized in the development of high-performance corrosion inhibitors for industrial applications, especially in acidic environments.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical reactions and developing novel heterocyclic compounds.

Basic Information

Item	Details
Product Name	5-Methylquinoline
CAS No.	7661-55-4
Molecular Formula	C10H9N
Molecular Weight	143.19 g/mol
Synonyms	5-Methylquinoline; Quinoline, 5-methyl-; γ-Methylquinoline; 5-Methylchinolin; 5-Methyl-1-azanaphthalene; 5-Methylbenzo[b]pyridine; 5-MQ
EINECS	231-613-3

Quality Control

Our 5-Methylquinoline is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identity confirmation by FT-IR and NMR, purity assessment by GC or HPLC, and verification of physical parameters. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting compliance with agreed specifications. We support our partners in meeting their regulatory and quality assurance requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Total impurities ≤ 2.0%
Density (20°C)	1.06 - 1.08 g/mL
Refractive Index (n20D)	1.615 - 1.625

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