Description

Quinoline-7-Sulphonic Acid is a specialized sulfonated quinoline derivative, a key intermediate in fine chemical synthesis. Its value lies in its ability to introduce both the quinoline heterocycle and a sulfonic acid functional group, enabling the creation of complex molecules with tailored properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity building blocks for active ingredient development.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of novel drug candidates, particularly those targeting specific biological pathways where the quinoline scaffold is active.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators, leveraging its bioactive quinoline core.
• Dye and Pigment Manufacturing: Acts as an intermediate for producing sulfonated quinoline-based dyes, which offer excellent color fastness and solubility.
• Corrosion Inhibitor Formulation: Incorporated into specialty chemicals designed to protect metals in harsh industrial environments.
• Ligand for Catalysis: Utilized in the preparation of metal-organic complexes and catalysts for organic transformation reactions.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new chemical entities and reaction methodologies.

Basic Information

Product Name	Quinoline-7-Sulphonic Acid
CAS No.	65433-96-7
Molecular Formula	C9H7NO3S
Molecular Weight	209.22 g/mol
Synonyms	7-Quinolinesulfonic Acid; Quinoline-7-sulfonic acid; 7-Sulfoquinoline; 1-Azanaphthalene-7-sulfonic acid; 7-Quinoline Sulfonic Acid; 7-Sulfonylquinoline; Quinoline-7-SO3H
EINECS	Contact for details

Quality Control

Our Quinoline-7-Sulphonic Acid is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity verification and identity confirmation by spectroscopic methods, to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay, impurity profile, and physical characteristics.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent absorption of atmospheric moisture. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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