Description

4,5-Dichloro-1,2-benzoquinone is a specialized halogenated quinone derivative, a key synthetic intermediate and reagent in advanced organic chemistry. Its value lies in its unique electrophilic character and ability to act as a precursor or oxidizing agent in complex molecular transformations. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science sectors, particularly for synthesizing active pharmaceutical ingredients (APIs), functional dyes, and advanced polymers.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and other crop protection agents.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of specialty polymers and high-performance resins.
• Organic Synthesis Reagent: Acts as a versatile oxidizing agent or electrophile in various name reactions and fine chemical production.
• Dye and Pigment Manufacturing: A key intermediate for synthesizing quinone-based dyes, pigments, and photographic chemicals.
• Research & Development: Utilized in academic and industrial R&D for exploring new chemical entities and reaction methodologies.

Basic Information

Product Name	4,5-Dichloro-1,2-benzoquinone
CAS No.	18268-81-0
Molecular Formula	C6H2Cl2O2
Molecular Weight	176.98 g/mol
Synonyms	4,5-Dichloro-o-benzoquinone; 3,6-Dichloro-1,2-benzoquinone; 4,5-Dichloro-1,2-cyclohexadiene-3,6-dione; 4,5-Dichlorocyclohexa-3,5-diene-1,2-dione; 1,2-Benzoquinone, 4,5-dichloro-; Dichlorobenzoquinone
EINECS	Contact for details

Quality Control

Our 4,5-Dichloro-1,2-benzoquinone is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for every shipment. We adhere to cGMP principles where applicable to meet the exacting standards of our global clientele in research and industrial manufacturing.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its nature as an easily oxidized compound, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from incompatible materials such as strong reducing agents.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
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.