Description

8-Bromonaphthalene-2-Sulfonic Acid is a specialized brominated naphthalene derivative that serves as a key sulfonated intermediate in advanced organic synthesis. Its value lies in the combination of a reactive bromine substituent and a strongly acidic sulfonic acid group, enabling precise functionalization and solubility modification in target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors developing new active ingredients, as well as for producers of high-performance dyes and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly in creating sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the bromine atom allows for further cross-coupling reactions.
• Dye and Pigment Manufacturing: Acts as a sulfonating agent and precursor for creating water-soluble, brominated azo dyes and specialty pigments.
• Ligand and Catalyst Development: Serves as a precursor for synthesizing specialized ligands used in catalytic processes and metal-organic frameworks (MOFs).
• Polymer Modification: Employed to introduce sulfonic acid groups into polymer chains, enhancing properties like hydrophilicity or ion-exchange capacity.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D exploring new organic reactions and functional materials.

Basic Information

Product Name	8-Bromonaphthalene-2-Sulfonic Acid
CAS No.	738551-74-1
Molecular Formula	C10H7BrO3S
Molecular Weight	287.13 g/mol
Synonyms	2-Naphthalenesulfonic acid, 8-bromo-; 8-Bromo-2-naphthalenesulfonic acid; 8-Bromonaphthalene-2-sulphonic acid; 8-Bromo-2-naphthalenesulphonic acid; 8-Br-2-NSA; 738551-74-1; 8-Bromo-2-naphthalenesulfonate
EINECS	Contact for details

Quality Control

Our 8-Bromonaphthalene-2-Sulfonic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent absorption of atmospheric moisture. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 2.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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