Description

S-Diphenylcarbazone is a high-purity analytical reagent widely recognized for its exceptional sensitivity as a chromogenic agent in complexometric titrations. Its primary value lies in forming intense, colored complexes with specific metal ions, enabling precise detection and quantification in trace analysis. This compound is essential for quality control and research laboratories in the chemical, pharmaceutical, and environmental monitoring sectors.

Application

• Spectrophotometric Determination of Metals: A key reagent for the sensitive colorimetric detection and quantification of trace metals such as mercury, cadmium, lead, and chromium.
• Complexometric Titrations: Used as a metallochromic indicator in EDTA titrations for determining various cations, providing a sharp and clear color change at the endpoint.
• Environmental Analysis: Employed in testing water, soil, and industrial waste samples for heavy metal contamination to ensure regulatory compliance.
• Pharmaceutical Quality Control: Utilized in the analysis of raw materials and finished products for trace metal impurities as per pharmacopeial guidelines.
• Research & Development: Serves as a fundamental tool in chemical research for studying metal-ligand interactions and developing new analytical methodologies.
• Industrial Process Monitoring: Applied in monitoring metal ion concentrations in process streams within the mining, plating, and chemical manufacturing industries.

Basic Information

Item	Detail
Product Name	S-Diphenylcarbazone
CAS No.	10329-15-4
Molecular Formula	C13H12N4O
Molecular Weight	240.26 g/mol
Synonyms	Diphenylcarbazone; 1,5-Diphenylcarbazone; DPC; S-Diphenylcarbazide oxidation product; 1,5-Diphenylcarbonohydrazide; Phenylazocarboxylic acid 2-phenylhydrazide
EINECS	233-707-7

Quality Control

Our S-Diphenylcarbazone is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for analytical applications. Each lot undergoes comprehensive testing, including identity confirmation, purity assay, and verification of performance in standard test methods. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, minimize exposure during handling.

Specification

Item	Specification
Appearance	Orange to red-brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	157 - 162 °C
Loss on Drying	≤ 0.5 %
Residue on Ignition	≤ 0.1 %
Suitability Test	Passes test (for detection of Hg²⁺)

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