Description

4-Fluorosulfonyl-1-Hydroxy-2-Naphthoic Acid is a high-purity, multi-functional naphthalene derivative that serves as a critical building block in advanced organic synthesis. Its unique molecular structure, featuring both a fluorosulfonyl and a carboxylic acid group, makes it a versatile intermediate for creating complex molecules with tailored properties. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators.
• Dyestuff and Pigment Manufacturing: Serves as a core component for producing high-performance, light-fast organic dyes and pigments.
• Polymer Modification: Acts as a functional monomer or cross-linking agent to introduce sulfonyl fluoride groups into polymer chains, enhancing material properties.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new fluorination and sulfonylation reactions.
• Liquid Crystal and OLED Materials: Potential intermediate in the synthesis of electronic materials for display technologies.

Basic Information

Product Name	4-Fluorosulfonyl-1-Hydroxy-2-Naphthoic Acid
CAS No.	839-78-1
Molecular Formula	C11H7FO5S
Molecular Weight	270.23 g/mol
Synonyms	1-Hydroxy-4-(fluorosulfonyl)-2-naphthoic acid; 4-(Fluorosulfonyl)-1-hydroxy-2-naphthalenecarboxylic acid; 1-Hydroxy-2-naphthoic acid-4-sulfonyl fluoride; 2-Naphthoic acid, 1-hydroxy-4-(fluorosulfonyl)-; 4-Fluorosulfonyl-1-hydroxy-2-naphthalenecarboxylic acid; 1-Hydroxy-4-fluorosulfonyl-2-naphthoic acid
EINECS	Contact for details

Quality Control

Our 4-Fluorosulfonyl-1-Hydroxy-2-Naphthoic Acid is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity, IR and NMR for structural confirmation, and tests for residual solvents and moisture. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment to ensure traceability and compliance with your quality requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; prolonged exposure to air, moisture, or light should be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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