Description

2-Chloro-5-Methyl-1,4-Benzoquinone is a specialized halogenated quinone derivative that serves as a versatile synthetic intermediate and building block in advanced organic chemistry. Its unique structure, featuring both chloro and methyl substituents on the quinone core, makes it a valuable precursor for synthesizing complex molecules, including pharmaceuticals, agrochemicals, and functional materials. This compound is particularly sought after by research and development chemists, process development scientists, and manufacturers in the fine chemical and pharmaceutical industries for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with quinone-based pharmacophores.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides.
• Organic Synthesis Reagent: Acts as an electrophile or oxidizing agent in various organic transformations, including cyclizations and functional group modifications.
• Material Science Research: A precursor for developing organic semiconductors, electroactive polymers, and photoactive materials.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized quinone-derived dyes and colorants.
• Cross-coupling Reactions: Serves as a substrate in palladium-catalyzed cross-coupling reactions to create more complex biaryl structures.

Basic Information

Product Name	2-Chloro-5-Methyl-1,4-Benzoquinone
CAS No.	19832-87-2
Molecular Formula	C7H5ClO2
Molecular Weight	156.57 g/mol
Synonyms	2-Chloro-5-methyl-p-benzoquinone; 2-Chloro-5-methyl-1,4-cyclohexadienedione; 2-Chloro-5-methylquinone; 5-Methyl-2-chloro-1,4-benzoquinone; 2-Chloro-5-methyl-2,5-cyclohexadiene-1,4-dione; Toluhydroquinone, 2-chloro-; Chloromethylbenzoquinone
EINECS	Contact for details

Quality Control

Our 2-Chloro-5-Methyl-1,4-Benzoquinone is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity, potency, and impurity profiles. Certificates of Analysis (COA) detailing all test results 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 area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, minimize exposure to light during handling and storage.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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