Description

Methylenedinaphthalene is a high-purity, polycyclic aromatic hydrocarbon compound valued for its role as a key synthetic intermediate and functional material precursor. Its unique fused-ring structure provides excellent thermal stability and electronic properties, making it a critical component in advanced material science. This product is essential for manufacturers and R&D laboratories in the electronics, specialty polymer, and fine chemical sectors seeking reliable, high-quality raw materials for innovation.

Application

• Organic Light-Emitting Diodes (OLEDs): Serves as a core building block or host material in the emissive layers of OLED devices due to its favorable charge transport and luminescent properties.
• Advanced Polymer Synthesis: Acts as a monomer or cross-linking agent in the production of high-performance, heat-resistant polymers and engineering plastics.
• Liquid Crystal Displays (LCDs): Used in the formulation of liquid crystal mixtures and alignment layers to enhance display performance and stability.
• Pharmaceutical Intermediates: Employed in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs) requiring rigid, aromatic frameworks.
• Organic Photovoltaics (OPV): Functions as an electron donor or acceptor material in the active layer of solar cells, contributing to improved energy conversion efficiency.
• Dye and Pigment Manufacturing: Provides the foundational structure for creating specialized dyes, pigments, and optical brighteners with enhanced fastness and color properties.
• Research & Development: A valuable reagent for academic and industrial research in materials chemistry, supramolecular chemistry, and nanotechnology.

Basic Information

Product Name	Methylenedinaphthalene
CAS No.	28515-57-3
Molecular Formula	C₂₁H₁₄
Molecular Weight	266.34 g/mol
Synonyms	1,1'-Methylenedinaphthalene; Bis(1-naphthyl)methane; Dinaphthylmethane; 1-Naphthylmethane, 1'-methylenebis-; α,α'-Dinaphthylmethane; Naphthalene, 1,1'-methylenebis-; 1,1'-(Methylenedi)naphthalene
EINECS	Contact for details

Quality Control

Our Methylenedinaphthalene is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation. A Certificate of Analysis (COA) detailing specific results for purity, related substances, and physical properties is provided with every shipment to support your quality assurance and regulatory compliance needs.

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. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

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
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

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