Description

7,8-Quinolinedisulfonic Acid is a specialized organic sulfonic acid derivative, serving as a key intermediate and chelating agent in advanced chemical synthesis. Its disulfonic acid functional groups make it a valuable precursor for creating water-soluble complexes and functional materials. This compound is primarily utilized by manufacturers in the pharmaceutical, agrochemical, and specialty dye industries for research and production processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Metal Chelation & Catalysis: Acts as a ligand for metal ions in catalytic systems and analytical chemistry applications.
• Dye & Pigment Manufacturing: Serves as a precursor or intermediate in the production of specialized dyes and colorants.
• Agrochemical Synthesis: Employed in the development of novel herbicides, fungicides, and plant growth regulators.
• Research & Development: A valuable building block in organic and medicinal chemistry research for creating novel compounds.
• Analytical Reagent: Used in specific analytical methods as a complexing agent for metal ion detection and separation.

Basic Information

Product Name	7,8-Quinolinedisulfonic Acid
CAS No.	65613-20-9
Molecular Formula	C9H7NO6S2
Molecular Weight	289.29 g/mol
Synonyms	7,8-Quinolinedisulfonic Acid; Quinoline-7,8-disulfonic Acid; 7,8-Disulfoquinoline; 1-Azanaphthalene-7,8-disulfonic Acid; 7,8-Quinolinedisulphonic Acid; 65613-20-9; NSC 403119
EINECS	Contact for details

Quality Control

Our 7,8-Quinolinedisulfonic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting key parameters such as assay and impurity profiles. We are committed to meeting the stringent requirements of our global B2B partners.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation. Keep away from 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	≤ 2.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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