Description

8-Ethoxyquinoline-5-Sulfonic Acid Sodium Salt Hemihydrate is a high-purity, functionalized quinoline derivative with significant utility in advanced chemical synthesis. This compound serves as a versatile intermediate and analytical reagent, valued for its sulfonic acid functionality and complexing properties. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients and complexing agents.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel quinoline-based drug candidates, particularly those targeting infectious diseases.
• Analytical Chemistry Reagent: Used as a selective chelating agent or derivatization reagent in the spectrophotometric or fluorometric determination of metal ions.
• Agrochemical Synthesis: Intermediate in the production of advanced crop protection agents and plant growth regulators.
• Dye and Pigment Manufacturing: Serves as a precursor for synthesizing specialized quinoline-based dyes and functional colorants.
• Catalyst Ligand Preparation: Utilized in the development of metal-organic complexes and catalysts for organic transformations.
• Research & Development: A critical material for academic and industrial R&D exploring new chemical entities and material science applications.

Basic Information

Product Name	8-Ethoxyquinoline-5-Sulfonic Acid Sodium Salt Hemihydrate
CAS No.	80789-76-0
Molecular Formula	C₁₁H₁₀NNaO₅S • 0.5H₂O
Molecular Weight	298.26 g/mol (anhydrous basis)
Synonyms	Sodium 8-ethoxyquinoline-5-sulfonate hemihydrate; 5-Sulfo-8-ethoxyquinoline sodium salt hemihydrate; 8-Ethoxy-5-quinolinesulfonic acid sodium salt hemihydrate; Ethoxyquin sulfonic acid sodium salt; 8-Ethoxyquinoline-5-sulfonate sodium salt; 5-(Sodiosulfo)-8-ethoxyquinoline hemihydrate; 8-Ethoxy-5-sulfoquinoline sodium salt
EINECS	Contact for details

Quality Control

Every batch of 8-Ethoxyquinoline-5-Sulfonic Acid Sodium Salt Hemihydrate is manufactured under a strict quality management system and undergoes comprehensive analytical testing. We ensure compliance with stringent in-house specifications, which are aligned with industry best practices for fine chemical intermediates. A detailed Certificate of Analysis (COA) providing batch-specific results for identity, purity, and related substances is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0% (on anhydrous basis)
Water Content (KF)	2.5 - 4.5% (Theoretical for hemihydrate: ~3.0%)
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility	Soluble in water, methanol; slightly soluble in ethanol

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