Description

2,6-Diaminonaphthalene CAS NO 2243-67-6 is a high-purity aromatic diamine compound that serves as a critical building block in advanced organic synthesis. Its bifunctional amino groups and rigid naphthalene backbone make it an essential precursor for creating high-performance polymers, dyes, and specialty chemicals. This product is primarily required by manufacturers in the polymer, pharmaceutical intermediate, and advanced materials sectors seeking to enhance thermal stability and functional properties in their end products.

Application

• Key monomer for the synthesis of high-performance polyimides and aramids, imparting exceptional thermal and chemical resistance.
• Precursor in the manufacture of specialized dyes and pigments, particularly for high-fastness applications.
• Building block for pharmaceutical intermediates and active pharmaceutical ingredients (APIs).
• Raw material for liquid crystal polymers (LCPs) and other advanced engineering plastics.
• Intermediate in corrosion inhibitor formulations for industrial applications.
• Component in the synthesis of organic semiconductors and electronic materials.
• Used in research and development for novel heterocyclic compound synthesis.
• Starting material for epoxy curing agents and other specialty polymer additives.

Basic Information

Product Name	2,6-Diaminonaphthalene
CAS No.	2243-67-6
Molecular Formula	C10H10N2
Molecular Weight	158.20 g/mol
Synonyms	2,6-Naphthalenediamine; 1,5-Diaminonaphthalene; 2,6-Diaminonaphthalin; 2,6-Naphthylenediamine; DAN; 2,6-DAN; Naphthalene-2,6-diamine; 2,6-Diamino-naphthalene
EINECS	218-819-7

Quality Control

Our 2,6-Diaminonaphthalene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for industrial and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

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. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	Light beige to gray crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	190 - 195 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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