Description

6-Bromonaphthalene-2-Sulfonic Acid is a specialized brominated naphthalene sulfonic acid derivative, serving as a high-value intermediate in advanced organic synthesis. Its core value lies in providing a reactive bromine substituent and a sulfonic acid group on the naphthalene scaffold, enabling precise molecular construction for complex chemical entities. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty dye industries who require high-purity building blocks for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the naphthalene core provides specific biological activity.
• Dye and Pigment Manufacturing: Serves as a precursor for synthesizing high-performance dyes, pigments, and optical brighteners, contributing to color fastness and stability.
• Liquid Crystal and OLED Materials: A valuable intermediate for creating charge-transport materials, host materials, and other functional components in electronic displays.
• Polymer Modification: Used to introduce sulfonic acid groups into polymers for ion-exchange resins, proton exchange membranes, and other functional materials.
• Chemical Research & Development: A versatile reagent in academic and industrial R&D for exploring new coupling reactions and constructing complex polycyclic aromatic systems.

Basic Information

Product Name	6-Bromonaphthalene-2-Sulfonic Acid
CAS No.	57189-62-5
Molecular Formula	C10H7BrO3S
Molecular Weight	287.13 g/mol
Synonyms	2-Bromo-6-naphthalenesulfonic Acid; 6-Bromo-2-naphthalenesulfonic Acid; 2-Naphthalenesulfonic acid, 6-bromo-; 6-Bromonaphthalene-2-sulphonic Acid; NSC 403119; 6-Bromo-2-naphthalenesulphonic Acid; 6-Bromonaphthalenesulfonic Acid
EINECS	Contact for details

Quality Control

Our 6-Bromonaphthalene-2-Sulfonic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to guarantee traceability and consistency for your critical processes.

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 bases and oxidizing agents. Due to its strong acid/organic solvent nature, ensure containers are compatible and properly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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