Description

1-Bromo-5-Chloronaphthalene is a high-purity halogenated naphthalene derivative, serving as a critical building block in advanced organic synthesis. Its precise molecular structure makes it an indispensable intermediate for the development of complex pharmaceuticals, agrochemicals, and functional materials. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel compounds with targeted properties.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with naphthalene-based scaffolds.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and pesticides, leveraging its halogenated structure for bioactivity.
• Material Science Research: Serves as a monomer or functionalizing agent in the development of organic semiconductors, liquid crystals, and specialty polymers.
• Dye & Pigment Manufacturing: Intermediate for synthesizing complex, high-performance dyes and organic pigments.
• Cross-Coupling Reactions: Valuable substrate in Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions to construct biaryl systems.
• Laboratory Reagent: Used in academic and industrial research laboratories for method development and exploratory chemistry.

Basic Information

Product Name	1-Bromo-5-Chloronaphthalene
CAS No.	77332-65-1
Molecular Formula	C10H6BrCl
Molecular Weight	241.51 g/mol
Synonyms	5-Chloro-1-bromonaphthalene; 1-Bromo-5-chloronaphthalene; Naphthalene, 1-bromo-5-chloro-; 1-Br-5-Cl-Naphthalene; 5-Chloro-1-bromonaphthalene; 1-Bromo-5-chloro-naphthalene; 1-Bromo-5-chloronaphthalene (principal name)
EINECS	Contact for details

Quality Control

Our 1-Bromo-5-Chloronaphthalene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency suitable for demanding synthetic applications. 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). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white 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.