Description

1,3-Benzenediamine, 5,5'-(2,6-Naphthalenediyl)Bis- is a specialized aromatic diamine derivative, serving as a high-performance building block in advanced material synthesis. Its molecular structure, featuring a rigid naphthalene core, is critical for imparting enhanced thermal stability and mechanical properties to the final polymers. This compound is primarily utilized by R&D and production teams in the polymer and specialty chemical industries seeking to develop high-temperature resins, advanced polyimides, and liquid crystal polymers.

Application

• Polymer Intermediate: A key monomer for the synthesis of high-performance polyimides and polyamides.
• Liquid Crystal Polymers (LCPs): Used as a rigid-rod diamine component to enhance the thermal and mechanical properties of LCPs for electronics and aerospace.
• Epoxy Curing Agent: Functions as a cross-linking agent for high-temperature and chemically resistant epoxy resin systems.
• Advanced Composite Materials: Incorporated into matrices for carbon fiber composites requiring superior heat resistance.
• Optical Materials: Potential use in the synthesis of organic dyes and pigments with specific light-absorption characteristics.
• Pharmaceutical Intermediate: Serves as a precursor in the multi-step synthesis of complex active pharmaceutical ingredients (APIs).

Basic Information

Product Name	1,3-Benzenediamine, 5,5'-(2,6-Naphthalenediyl)Bis-
CAS No.	1569868-40-1
Molecular Formula	C22H18N4
Molecular Weight	338.41 g/mol
Synonyms	5,5'-(Naphthalene-2,6-diyl)bis(1,3-benzenediamine); 2,6-Bis(3,5-diaminophenyl)naphthalene; N,N'-(2,6-Naphthalenediyl)bis(1,3-benzenediamine); 2,6-Bis(3,5-diaminophenyl)naphthalene; BDAN; Naphthalene-based diamine monomer; 2,6-Di(3,5-diaminophenyl)naphthalene
EINECS	Contact for details

Quality Control

Our production of 1,3-Benzenediamine, 5,5'-(2,6-Naphthalenediyl)Bis- adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling. A Certificate of Analysis (COA) detailing purity, identity, and specific test results is provided with every shipment to support your quality assurance and regulatory needs.

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). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to beige crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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