Description

1,4-Dimethylnaphthalene is a high-purity, specialized aromatic hydrocarbon derivative of naphthalene, valued for its role as a versatile chemical intermediate and research compound. Its distinct molecular structure makes it a critical building block in the synthesis of advanced materials and fine chemicals. This product is essential for R&D laboratories, agrochemical manufacturers, and companies developing specialty dyes, pigments, and organic electronic materials.

Application

• Chemical Intermediate: A key precursor in the synthesis of more complex polycyclic aromatic compounds, dyes, and pigments.
• Agrochemical Research: Used in the development and study of novel pesticides, herbicides, and plant growth regulators.
• Material Science: Serves as a building block for organic semiconductors, liquid crystals, and other advanced functional materials.
• Pharmaceutical Research: Employed as a starting material or intermediate in the research phase of drug discovery for various therapeutic agents.
• Analytical Standard: Used as a reference standard in gas chromatography (GC) and high-performance liquid chromatography (HPLC) for quality control and environmental analysis.
• Organic Synthesis: A valuable reagent for Friedel-Crafts alkylation and other reactions to create substituted naphthalene derivatives.

Basic Information

Product Name	1,4-Dimethylnaphthalene
CAS No.	571-58-4
Molecular Formula	C₁₂H₁₂
Molecular Weight	156.23 g/mol
Synonyms	1,4-Dimethylnaphthalene; 1,4-DMN; p-Dimethylnaphthalene; Naphthalene, 1,4-dimethyl-; 1,4-Xylenonaphthalene; 4-Methyl-1-methylnaphthalene
EINECS	209-336-0

Quality Control

Our 1,4-Dimethylnaphthalene is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support custom synthesis and can tailor purity grades to meet specific research or industrial requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent contamination and minimize evaporation.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Melting Point	72°C - 76°C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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