Description

8-Hydroxy-7-(2-thiazolylazo)-5-quinolinesulfonic acid is a specialized heterocyclic azo compound that serves as a highly selective chromogenic reagent. Its primary value lies in its ability to form stable, colored complexes with specific metal ions, making it an indispensable tool for analytical chemistry. This product is essential for researchers and quality control laboratories in the chemical, pharmaceutical, and environmental sectors requiring precise metal ion detection and quantification.

Application

• Spectrophotometric Reagent: Used as a sensitive and selective colorimetric agent for the determination of trace metal ions, particularly cobalt, nickel, and copper.
• Analytical Chemistry: Employed in the development of novel analytical methods and sensors for environmental monitoring of heavy metals in water and soil samples.
• Pharmaceutical Analysis: Utilized in research for the assay of metal-containing active pharmaceutical ingredients (APIs) or as a component in test kits.
• Industrial Process Control: Applied in quality control laboratories within metallurgy and plating industries to monitor metal ion concentrations in process streams.
• Research & Development: Serves as a key intermediate or reagent in synthetic chemistry research and the study of coordination chemistry.
• Dye Intermediate: Functions as a precursor in the synthesis of specialized dyes and pigments due to its azo and quinoline structure.

Basic Information

Product Name	8-Hydroxy-7-(2-Thiazolylazo)-5-Quinolinesulfonic Acid
CAS No.	3885-61-8
Molecular Formula	C₁₂H₈N₄O₄S₂
Molecular Weight	336.34 g/mol
Synonyms	7-(2-Thiazolylazo)-8-hydroxy-5-quinolinesulfonic acid; 8-Hydroxy-7-(2-thiazolylazo)quinoline-5-sulfonic acid; TANSA; Thiazolylazo Naphthol Sulfonic Acid; 5-Quinolinesulfonic acid, 8-hydroxy-7-(2-thiazolylazo)-; HTAQS; 7-(2-Thiadiazolylazo)-8-hydroxyquinoline-5-sulfonic acid (common alternate); Chromogenic reagent for cobalt
EINECS	Contact for details

Quality Control

Our 8-Hydroxy-7-(2-thiazolylazo)-5-quinolinesulfonic acid is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for analytical reagent applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical research and analytical processes.

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). Keep away from strong acids and organic solvents. Due to its light-sensitive nature, containers should be amber-colored or stored in dark conditions.

Specification

Item	Specification
Appearance	Orange to brownish-red powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Solubility Test	Soluble in alkaline aqueous solutions

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