Description

Dimethyl 2,7-Naphthalenedicarboxylate is a high-purity diester derivative of naphthalene-2,7-dicarboxylic acid, serving as a critical organic intermediate and monomer. Its value lies in its rigid, linear molecular structure, which is essential for synthesizing advanced polymers and functional materials with specific thermal and optical properties. This compound is primarily needed by manufacturers in the polymer, liquid crystal, and specialty chemical industries for research and production.

Application

• Polymer Synthesis: Key monomer for producing high-performance polyesters and polyamides, such as polyethylene naphthalate (PEN) analogs, which offer excellent barrier properties and thermal stability.
• Liquid Crystal Materials: Serves as a core building block in the synthesis of monomers for liquid crystal polymers (LCPs) and display materials due to its rigid, linear geometry.
• Organic Synthesis Intermediate: Used in pharmaceutical and agrochemical research for constructing complex naphthalene-based molecular frameworks.
• Dye and Pigment Manufacturing: Acts as a precursor in the synthesis of specific naphthalimide-based fluorescent dyes and organic pigments.
• Advanced Material Research: Investigated for use in organic semiconductors, photoconductive materials, and metal-organic frameworks (MOFs).

Basic Information

Product Name	Dimethyl 2,7-Naphthalenedicarboxylate
CAS No.	2549-47-5
Molecular Formula	C₁₄H₁₂O₄
Molecular Weight	244.24 g/mol
Synonyms	2,7-Naphthalenedicarboxylic Acid Dimethyl Ester; Dimethyl Naphthalene-2,7-dicarboxylate; 2,7-Bis(methoxycarbonyl)naphthalene; DMND; Methyl 2,7-naphthalenedicarboxylate; 2,7-Naphthalic Acid Dimethyl Ester; 1,3-Benzenedicarboxylic acid, 4,5-dihydro-4,5-dioxo-, dimethyl ester (related); EINECS 219-826-6
EINECS	219-826-6

Quality Control

Our Dimethyl 2,7-Naphthalenedicarboxylate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity and identity. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with every shipment to guarantee batch-to-batch consistency and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (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.