Description

2-Bromo-3-Methylnaphthalene is a halogenated naphthalene derivative that serves as a versatile and critical synthetic intermediate in advanced organic chemistry. This compound matters for its role in constructing complex molecular architectures, particularly in the development of specialized materials and active pharmaceutical ingredients. It is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors for use in cross-coupling reactions, functional group transformations, and as a building block for liquid crystals and organic electronic materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly those with naphthalene-based cores.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Research: Serves as a precursor for organic semiconductors, liquid crystals, and other functional organic materials due to its rigid, planar structure.
• Cross-Coupling Reactions: An effective substrate in Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions to form biaryl structures.
• Chemical Research & Development: Employed in academic and industrial R&D labs for method development, ligand synthesis, and exploring new reaction pathways.
• Dye & Pigment Intermediate: Can be utilized in the synthesis of specialized dyes, pigments, and optical brighteners.

Basic Information

Product Name	2-Bromo-3-Methylnaphthalene
CAS No.	939-15-1
Molecular Formula	C₁₁H₉Br
Molecular Weight	221.10 g/mol
Synonyms	3-Methyl-2-bromonaphthalene; 2-Bromo-3-methylnaphthalene; 2-Bromo-3-methyl-naphthalene; 1-Bromo-2-methylnaphthalene (registry number check required); β-Bromo-β-methylnaphthalene; NSC 406914; 939-15-1
EINECS	Contact for details

Quality Control

Our 2-Bromo-3-Methylnaphthalene is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and identity confirmation. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee consistent quality and traceability for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥97.0%
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.