Description

8-Quinolinesulfonic Acid, 6-Ethyl- is a specialized organic sulfonic acid derivative of the quinoline family, serving as a key synthetic intermediate and functional building block. Its value lies in the unique reactivity imparted by the sulfonic acid group and the ethyl-substituted quinoline core, enabling precise chemical modifications. This compound is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and advanced material sectors for developing active ingredients and functional additives.

Application

• Pharmaceutical Intermediate: Used in the synthesis of novel drug candidates, particularly those targeting infectious diseases or requiring specific metal-chelating properties.
• Agrochemical Synthesis: Serves as a precursor for developing advanced fungicides, herbicides, or plant growth regulators that leverage the quinoline scaffold.
• Catalyst & Ligand Preparation: Acts as a starting material for creating specialized ligands or organocatalysts used in asymmetric synthesis and metal-catalyzed reactions.
• Corrosion Inhibitor Formulation: Incorporated into specialty formulations to protect metals in harsh industrial environments.
• Dye & Pigment Manufacturing: Utilized in the production of complex colorants and functional dyes for technical applications.
• Analytical Chemistry Reagent: Employed as a chelating agent or derivatization reagent in analytical methods for metal ion detection.
• Material Science Research: Investigated for incorporation into polymers or coatings to impart specific functional groups or modify surface properties.

Basic Information

Product Name	8-Quinolinesulfonic Acid, 6-Ethyl-
CAS No.	103989-16-8
Molecular Formula	C11H11NO3S
Molecular Weight	237.28 g/mol
Synonyms	6-Ethylquinoline-8-sulfonic acid; 6-Ethyl-8-quinolinesulfonic acid; 8-Quinolinesulfonic acid, 6-ethyl-; 6-Ethyl-8-sulfoquinoline; 6-Ethylquinoline-8-sulphonic acid (UK spelling); 6-Ethyl-8-quinolinesulphonic acid (UK spelling); 103989-16-8 (CAS Registry Number)
EINECS	Contact for details

Quality Control

Our 8-Quinolinesulfonic Acid, 6-Ethyl- is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (by HPLC), related substances, residual solvents, and appearance is provided with every shipment to guarantee it meets your research or production 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). Due to its strong acid nature, keep away from incompatible materials such as strong bases and oxidizing agents. Handle and store in accordance with all applicable local and international regulations.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition (Sulfated Ash)	≤ 0.1%
Heavy Metals	≤ 20 ppm

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