Description

1,4-Bis(Phenylamino)Naphthalene is a high-purity organic compound with the CAS registry number 7090-21-3. This specialized aromatic amine derivative is valued for its role as a key intermediate and functional additive in advanced material synthesis. It is primarily sought by manufacturers and R&D facilities in the polymer, dye, and specialty chemical industries for applications requiring precise molecular architecture and consistent performance.

Application

• Polymer Industry: Used as a monomer or chain extender in the synthesis of high-performance polyamides, polyimides, and other engineering plastics.
• Dye & Pigment Intermediate: Serves as a crucial building block for producing complex organic dyes, pigments, and colorants.
• Liquid Crystal & OLED Materials: Acts as a core component or dopant in the development of advanced electronic display materials.
• Pharmaceutical Intermediate: Employed in the research and synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Corrosion Inhibitor Formulation: Functions as an additive in specialty coatings and lubricants for metal protection.
• Research & Development: Utilized in academic and industrial labs for organic synthesis and material science studies.

Basic Information

Product Name	1,4-Bis(Phenylamino)Naphthalene
CAS No.	7090-21-3
Molecular Formula	C22H18N2
Molecular Weight	310.40 g/mol
Synonyms	N,N'-Diphenyl-1,4-naphthalenediamine; 1,4-Dianilinonaphthalene; 1,4-Bis(anilino)naphthalene; N,N'-Diphenyl-1,4-diaminonaphthalene; 1,4-Naphthalenediamine, N,N'-diphenyl-; CI 56085; Solvent Orange 60 (related dye class)
EINECS	Contact for details

Quality Control

Our 1,4-Bis(Phenylamino)Naphthalene is manufactured under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the stringent requirements of our industrial and research clients. A Certificate of Analysis (COA) detailing specific results is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is light-sensitive and easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen or argon) to maintain optimal purity and stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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