Description

2-Methyl-3-Bromo-1,4-Naphthoquinone is a halogenated derivative of 1,4-naphthoquinone, serving as a versatile and reactive synthetic intermediate. Its core value lies in its bromine substituent, which provides a handle for further functionalization, making it a critical building block in advanced organic synthesis. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of vitamin K analogs, anticoagulant agents, and other biologically active quinone-based compounds.
• Agrochemical Synthesis: Used in the development of novel fungicides, herbicides, and pesticides, leveraging the bioactivity of the naphthoquinone core.
• Organic Synthesis Building Block: The reactive bromine atom facilitates cross-coupling reactions (e.g., Suzuki, Stille) for constructing complex molecular architectures in research and development.
• Dye and Pigment Intermediate: Serves as a starting material for synthesizing specialized quinone-derived dyes and organic pigments.
• Material Science Research: Investigated as a component in the development of organic semiconductors, electroactive polymers, and charge-transfer materials.
• Biochemical Research: Used as a tool compound to study quinone-mediated biological processes, including electron transport and enzyme inhibition.

Basic Information

Item	Detail
Product Name	2-Methyl-3-Bromo-1,4-Naphthoquinone
CAS No.	3129-39-3
Molecular Formula	C11H7BrO2
Molecular Weight	251.08 g/mol
Synonyms	3-Bromo-2-methyl-1,4-naphthoquinone; 2-Methyl-3-bromo-1,4-naphthalenedione; 3-Bromo-2-methyl-1,4-naphthalenedione; Bromomethylnaphthoquinone; NSC 404058; Menadione bromo derivative; Vitamin K3 bromo derivative
EINECS	Contact for details

Quality Control

Our 2-Methyl-3-Bromo-1,4-Naphthoquinone is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters such as assay and impurity profiles are available upon request. We are committed to meeting the precise specifications required for research and industrial synthesis.

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 incompatible materials such as strong bases and 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%
Heavy Metals	≤ 20 ppm

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