Description

6-Chloronaphthalene-2-Sulfonic Acid is a versatile aromatic sulfonic acid derivative that serves as a critical intermediate in advanced organic synthesis. Its value lies in the strategic positioning of its functional groups, enabling precise chemical modifications for creating complex molecules. This compound is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty dye industries seeking to develop new active ingredients and high-performance materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in the development of naphthalene-based compounds.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the chloronaphthalene scaffold is required.
• Dye and Pigment Manufacturing: Acts as a precursor for synthesizing specialized azo dyes and pigments, contributing to color fastness and specific hue properties.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D focused on sulfonation chemistry, cross-coupling reactions, and material science.
• Polymer Additives: Can be utilized to create functional monomers or additives that impart specific properties like solubility or reactivity to polymer chains.
• Liquid Crystal and OLED Materials: Serves as a synthetic intermediate for organic electronic materials due to its rigid, planar naphthalene structure.

Basic Information

Product Name	6-Chloronaphthalene-2-Sulfonic Acid
CAS No.	102878-14-8
Molecular Formula	C10H7ClO3S
Molecular Weight	242.68 g/mol
Synonyms	2-Naphthalenesulfonic acid, 6-chloro-; 6-Chloro-2-naphthalenesulfonic acid; 6-Chloronaphthalene-2-sulphonic acid; 2-Sulfo-6-chloronaphthalene; NSC 406914; 6-Chloro-2-sulfonaphthalene; 6-Chloronaphth-2-ylsulfonic acid
EINECS	Contact for details

Quality Control

Our 6-Chloronaphthalene-2-Sulfonic Acid is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for use in sensitive synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability, consistency, and compliance with your project requirements.

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). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. 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)	≥ 98.0%
Loss on Drying	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Chloride Content	Conforms
Sulfate Ash	≤ 0.1%

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