Description

1,8-Bis(Chloromethyl)Naphthalene is a versatile bifunctional aromatic intermediate featuring reactive chloromethyl groups on a naphthalene backbone. This compound matters for its role as a key building block in the synthesis of complex organic molecules, enabling the construction of rigid, planar structures. Industries such as pharmaceuticals, agrochemicals, and advanced material science need it for creating active ingredients, ligands, and specialty polymers.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, fused aromatic scaffold.
• Agrochemical Synthesis: Serves as a precursor for herbicides, fungicides, and other crop protection agents where the naphthalene core provides stability and bioactivity.
• Ligand and Chelator Preparation: Acts as a starting material for synthesizing chelating agents and ligands used in catalysis and metal ion sequestration.
• Polymer and Resin Modifier: Incorporated into specialty polymers, epoxy resins, and cross-linking agents to enhance thermal stability and mechanical properties.
• Dye and Pigment Manufacturing: Utilized as an intermediate in the production of high-performance dyes, pigments, and optical brighteners.
• Research and Development: A valuable reagent in organic chemistry R&D for constructing complex polycyclic structures and studying reaction mechanisms.

Basic Information

Product Name	1,8-Bis(Chloromethyl)Naphthalene
CAS No.	50585-29-0
Molecular Formula	C₁₂H₁₀Cl₂
Molecular Weight	225.11 g/mol
Synonyms	1,8-Bis(chloromethyl)naphthalene; 1,8-Di(chloromethyl)naphthalene; Naphthalene-1,8-diylbis(chloromethane); 1,8-Naphthalenedimethyl Chloride; 1,8-BCMN; 1,8-Bis(chloromethyl)naphthalene; 1,8-Dichloromethylnaphthalene; NSC 403796
EINECS	Contact for details

Quality Control

Our 1,8-Bis(Chloromethyl)Naphthalene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are 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, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	105 - 110 °C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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