Description

Zincon is a high-purity chemical reagent widely recognized as a sensitive and selective colorimetric indicator for the detection of zinc and copper ions. This compound matters for its critical role in analytical chemistry, enabling precise quantitative and qualitative analysis in complex matrices. Industries such as environmental monitoring, pharmaceuticals, and industrial water treatment rely on Zincon CAS NO 62625-22-3 for accurate metal ion determination to ensure product quality and regulatory compliance.

Application

• Analytical Chemistry Reagent: Primary use as a spectrophotometric and colorimetric chelating agent for the determination of zinc (Zn²⁺) and copper (Cu²⁺) ions.
• Environmental Testing: Detection and quantification of trace heavy metals in water, wastewater, and soil samples for environmental compliance and safety.
• Pharmaceutical Quality Control: Used in assays to test for metal impurities in active pharmaceutical ingredients (APIs) and finished drug products.
• Industrial Process Control: Monitoring metal ion concentrations in plating baths, cooling systems, and chemical manufacturing processes.
• Research & Development: A key reagent in biochemical and academic research for studying metalloproteins and metal-binding interactions.
• Clinical Diagnostics: Potential use in the development of test kits for detecting zinc deficiency or copper imbalance.

Basic Information

Product Name	Zincon
CAS No.	62625-22-3
Molecular Formula	C₂₀H₁₆N₄O₆S
Molecular Weight	440.43 g/mol
Synonyms	Zincon; 2-Carboxy-2'-hydroxy-5'-sulfoformazylbenzene; o-[1-(2-Hydroxy-5-sulfophenyl)-3-phenyl-5-formazano]benzoic acid; Zincon sodium salt (common commercial form); Zinc Indicator; 2-[5-(2-Hydroxy-5-sulfophenyl)-3-phenyl-1-formazano]benzoic acid; Benzoic acid, 2-[[(2-hydroxy-5-sulfophenyl)phenylmethylene]amino]-6-phenylazo]-; Phenol, 4-(2-carboxyphenylazo)-2-sulfo-6-(phenylazo)-
EINECS	263-668-8

Quality Control

Our Zincon is manufactured under strict quality management systems to ensure batch-to-batch consistency and high performance. Each lot undergoes rigorous analytical testing, including HPLC for purity, spectrophotometric validation of absorbance characteristics, and tests for residual solvents and moisture. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive (store away from light), as indicated. Keep the container tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Orange-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0 %
Absorbance (λmax)	Conforms (Typically ~620-630 nm for metal complex)
Heavy Metals (as Pb)	≤ 20 ppm
Suitability Test	Passes test for Zinc detection

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