Description

1,5-Bis(Chloromethyl)Naphthalene is a versatile organic intermediate characterized by its naphthalene backbone functionalized with two reactive chloromethyl groups. This compound matters for its role as a key building block in the synthesis of more complex chemical architectures, particularly in advanced material science and specialty chemistry. Industries requiring high-performance polymers, liquid crystals, or pharmaceutical active ingredients will find this a critical raw material for their research and production processes.

Application

• Polymer & Resin Synthesis: Serves as a cross-linking agent or monomer precursor for the production of high-temperature resistant and specialty engineering plastics.
• Liquid Crystal Manufacturing: Used as a core intermediate in the synthesis of nematic and smectic liquid crystals for display technologies.
• Pharmaceutical Intermediates: Acts as a key building block in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Organic Synthesis & Research: A valuable reagent for constructing naphthalene-based macrocycles, ligands, and other complex organic molecules in R&D laboratories.
• Dye & Pigment Production: Employed in the synthesis of advanced colorants and optical brighteners with specific performance characteristics.
• Material Science: Used in the development of novel organic electronic materials, such as those for organic light-emitting diodes (OLEDs) or semiconductors.

Basic Information

Product Name	1,5-Bis(Chloromethyl)Naphthalene
CAS No.	1733-76-2
Molecular Formula	C₁₂H₁₀Cl₂
Molecular Weight	225.11 g/mol
Synonyms	1,5-Bis(chloromethyl)naphthalene; 1,5-Di(chloromethyl)naphthalene; Naphthalene-1,5-diylbis(chloromethane); 1,5-Naphthalenedimethyl Chloride; α,α'-Dichloro-1,5-dimethylnaphthalene; NSC 403697; 1,5-BCMN
EINECS	217-076-7

Quality Control

Our 1,5-Bis(Chloromethyl)Naphthalene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards suitable for demanding synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and batch-to-batch consistency for your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	118 - 122 °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.