Description

1,2-Dimethylnaphthalene CAS NO 573-98-8 is a high-purity, specialty aromatic hydrocarbon belonging to the dimethylnaphthalene isomer family. This compound serves as a critical intermediate and functional component in advanced material synthesis and fine chemical manufacturing. It is essential for industries requiring precise chemical building blocks for high-performance products, including polymer production, specialty dyes, and advanced research.

Application

• Chemical Intermediate: A key precursor in the synthesis of more complex polycyclic aromatic compounds, dyes, and pigments.
• Polymer & Resin Industry: Used as a monomer or co-monomer in the production of specialized engineering plastics and high-temperature resins.
• Pharmaceutical Research: Acts as a building block or model compound in medicinal chemistry and pharmacokinetic studies.
• Agrochemical Synthesis: Employed in the development and manufacturing of certain advanced pesticides and herbicides.
• Solvent & Carrier Fluid: Functions as a high-boiling-point solvent for specific applications in coatings and specialty formulations.
• Research & Development: Serves as a standard or reagent in analytical chemistry and materials science research.

Basic Information

Product Name	1,2-Dimethylnaphthalene
CAS No.	573-98-8
Molecular Formula	C₁₂H₁₂
Molecular Weight	156.23 g/mol
Synonyms	1,2-Dimethylnaphthalene; 1,2-DMN; β,β'-Dimethylnaphthalene; 2,3-Dimethylnaphthalene (incorrect but common isomer reference); NSC 9248; 1,2-Dimethylnaphthalin; 1,2-Diméthylnaphtalène (French); 1,2-ジメチルナフタレン (Japanese)
EINECS	209-366-1

Quality Control

Our 1,2-Dimethylnaphthalene is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep container tightly sealed when not in use to prevent contamination and minimize exposure to air.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Purity (HPLC)	≥ 97.0%
Related Substances (GC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 0.1%
Residue on Ignition	≤ 0.05%

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