Description

8-Isoquinolinesulfonic Acid is a specialized organic sulfonic acid derivative, serving as a key synthetic intermediate and building block in advanced chemical synthesis. Its unique isoquinoline scaffold functionalized with a sulfonic acid group makes it a valuable precursor for creating complex molecules with tailored properties. This compound is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing novel drug candidates, particularly those targeting neurological and oncological pathways.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Development: Serves as a precursor for creating complex ligands used in catalytic systems and metal-organic frameworks (MOFs).
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of specialized dyes and functional pigments.
• Corrosion Inhibitor Formulation: A component in research for developing advanced corrosion inhibitors for industrial applications.
• Polymer Modification: Used to introduce sulfonic acid groups into polymers, enhancing properties like hydrophilicity or ion-exchange capacity.
• Analytical Chemistry: May be employed as a standard or reagent in chromatographic and spectroscopic methods.

Basic Information

Product Name	8-Isoquinolinesulfonic Acid
CAS No.	2423988-24-1
Molecular Formula	C9H7NO3S
Molecular Weight	209.22 g/mol
Synonyms	Isoquinoline-8-sulfonic Acid; 8-Sulfoisoquinoline; 1-Azanaphthalene-8-sulfonic Acid; Benzo[f]isoquinoline-8-sulfonic Acid (incorrect but common misnomer); 8-IQSA; 8-Isoquinolylsulfonic Acid; 8-Quinolinesulfonic Acid (related analog); 8-Sulfonylisoquinoline
EINECS	Contact for details

Quality Control

Our 8-Isoquinolinesulfonic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) with every shipment, which include data from HPLC, NMR, and mass spectrometry. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your critical R&D and production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its strong acid nature, store separately from bases and reactive materials. The container must be kept tightly sealed in a dry environment to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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