Description

Specifications Table

Product Name – 1,5-Diphenylcarbazide
Quantity/Pack Size – 10 g
Form – Solid (Powder)
Grade – Analytical Reagent (AR)
Application – Chromium detection, spectrophotometry

Product Overview

1,5-Diphenylcarbazide is a high-purity analytical reagent designed for precise chromium detection in laboratory settings. This fine, crystalline powder exhibits exceptional sensitivity, forming a stable violet-colored complex with chromium ions, making it indispensable for spectrophotometric analysis. The AR-grade purity ensures minimal interference, delivering consistent and reliable results in quantitative determinations. Its chemical stability under standard lab conditions guarantees long-term usability without degradation. The compound’s low solubility in water but high solubility in organic solvents like acetone or ethanol allows for flexible preparation methods. With a molecular weight of 242.27 g/mol and a melting point of 168–172°C, it maintains structural integrity across a range of experimental conditions. This reagent is particularly valued for its rapid reaction kinetics, enabling efficient workflows in trace metal analysis. Store in a cool, dry place, away from direct sunlight and moisture, to preserve its reactive properties. Equipped’s 1,5-Diphenylcarbazide adheres to stringent quality controls, ensuring batch-to-batch consistency for reproducible laboratory outcomes.

FAQs

1. What is the solubility of 1,5-Diphenylcarbazide in common lab solvents?

1,5-Diphenylcarbazide is sparingly soluble in water but dissolves readily in organic solvents such as acetone, ethanol, and glacial acetic acid. For spectrophotometric applications, a 1% solution in acetone is commonly prepared.

2. Can this reagent be used for detecting other metals besides chromium?

While primarily used for chromium(VI) detection, 1,5-Diphenylcarbazide can react with other oxidizing agents like mercury(II) or silver(I) under specific conditions. However, its selectivity for chromium is highest, and cross-reactivity should be validated for other metals.

3. How should I handle and store this chemical to maintain its stability?

Store the reagent in an airtight container in a cool, dry place, protected from light and moisture. Avoid prolonged exposure to air, as it may oxidize over time. For long-term storage, keep it under inert gas or in a desiccator.

4. What is the shelf life of 1,5-Diphenylcarbazide when stored properly?

When stored under recommended conditions—away from heat, light, and humidity—the reagent remains stable for up to 24 months from the date of manufacture. Always check for physical changes like discoloration before use.

5. Are there any safety precautions I should take while using this compound?

1,5-Diphenylcarbazide is considered harmful if inhaled or ingested and may cause skin or eye irritation. Wear appropriate PPE, including gloves, goggles, and a lab coat, and work in a well-ventilated area or fume hood to minimize exposure.