Description

5-Methyl-4-(2-Thiazolylazo)Resorcinol is a specialized heterocyclic azo compound widely used as a sensitive chromogenic reagent for the spectrophotometric determination of various metal ions. Its value lies in its ability to form stable, intensely colored complexes with specific cations, enabling precise quantitative analysis in complex matrices. This analytical reagent is essential for industries and research laboratories focused on environmental monitoring, metallurgy, pharmaceutical quality control, and advanced material science.

Application

• Spectrophotometric Reagent: Primary use as a selective chromogenic agent for the colorimetric detection and quantification of metal ions such as cobalt, nickel, copper, and palladium.
• Analytical Chemistry: Employed in the development of sensitive analytical methods for trace metal analysis in environmental water samples, industrial effluents, and soil extracts.
• Pharmaceutical Analysis: Used in quality control laboratories for the determination of metal catalyst residues in active pharmaceutical ingredients (APIs) and finished drug products.
• Metallurgical Testing: Applied in the analysis of alloy composition, ore processing, and the purity assessment of high-purity metals.
• Research & Development: Serves as a key ligand in coordination chemistry research and for studying metal-ligand interaction mechanisms.
• Teaching & Reference Standards: Utilized in academic settings for teaching advanced analytical techniques and as a high-purity reference standard for method validation.

Basic Information

Product Name	5-Methyl-4-(2-Thiazolylazo)Resorcinol
CAS No.	37422-56-3
Molecular Formula	C10H9N3O2S
Molecular Weight	235.26 g/mol
Synonyms	5-Methyl-4-(2-thiazolylazo)resorcinol; 4-(2-Thiazolylazo)-5-methylresorcinol; 5-Methyl-4-(2-thiazolylazo)-1,3-benzenediol; TAR (Thiazolylazo Resorcinol) derivative; 5-Me-TAR; Spectrophotometric reagent TAR; 2-(3,5-Dihydroxy-4-methylphenyl)azo]thiazole; Light-sensitive azo dye
EINECS	Contact for details

Quality Control

Our 5-Methyl-4-(2-Thiazolylazo)Resorcinol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity assessment, to ensure it meets the high standards required for analytical reagent applications. Certificates of Analysis (COA) detailing identity, purity, and related substances are provided with every shipment to guarantee traceability and consistency for your critical research and quality control processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its light-sensitive nature, the container should be kept in secondary packaging or a dark storage cabinet to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Dark red to brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0 %
Residue on Ignition	≤ 0.2 %
Solubility Test	Freely soluble in ethanol, methanol; sparingly soluble in water

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