Description

4-Chloro-1,2-Naphthalenedione is a halogenated naphthoquinone derivative, a versatile chemical intermediate prized for its reactive quinone moiety and chlorine substituent. This compound matters for its role in synthesizing complex organic molecules, particularly in the development of specialized dyes, pigments, and biologically active compounds. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for advanced synthesis and material science applications.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel quinone-based drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides due to its bioactive quinone structure.
• Dye & Pigment Manufacturing: Serves as a crucial precursor for high-performance organic dyes, pigments, and colorants.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex heterocyclic compounds and functional materials.
• Polymer Chemistry: Can be utilized as a monomer or cross-linking agent in the development of specialty polymers.
• Photochemical Applications: Potential use in photoinitiators or light-sensitive materials, given its quinone structure.

Basic Information

Product Name	4-Chloro-1,2-Naphthalenedione
CAS No.	6655-90-9
Molecular Formula	C10H5ClO2
Molecular Weight	192.60 g/mol
Synonyms	4-Chloro-1,2-naphthoquinone; 4-Chloronaphthalene-1,2-dione; 1,2-Naphthoquinone, 4-chloro-; 4-Chloro-1,2-dihydro-1,2-naphthalenedione; 4-Chloro-1,2-naphthalenequinone; NSC 403796
EINECS	Contact for details

Quality Control

Our 4-Chloro-1,2-Naphthalenedione is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our global B2B clientele. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment and are available upon request.

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 easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from incompatible materials such as strong reducing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Purity (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.