Specifications Table

Product Name – β-NAPHTHOL VIOLET AR
Quantity/Pack Size – 25 g
Form – Powder
Grade – AR (Analytical Reagent)
Application – Spectrophotometry, pH indicators, complexometric titrations

Product Overview

β-Naphthol Violet AR is a high-purity analytical reagent designed for precision in laboratory applications. This synthetic dye belongs to the triphenylmethane class, offering exceptional stability and sensitivity in spectrophotometric analysis. Its deep violet coloration makes it particularly useful as a pH indicator, with a distinct color transition in acidic to neutral ranges. The AR-grade purity ensures minimal impurities, making it suitable for quantitative titrations and complexometric determinations where accuracy is critical. The powdered form allows for easy dissolution in aqueous and organic solvents, providing flexibility in experimental setups. β-Naphthol Violet AR is known for its strong metal-ion chelation properties, particularly with aluminum, iron, and other transition metals, which enhances its utility in analytical chemistry. The reagent’s stability under standard lab conditions ensures consistent performance across repeated experiments. For researchers requiring reliable colorimetric analysis, this reagent delivers reproducible results with minimal interference. Its compatibility with common lab equipment and protocols makes it a versatile choice for both routine and specialized applications.

FAQs

1. What is the solubility of β-Naphthol Violet AR in different solvents?

β-Naphthol Violet AR is soluble in water, ethanol, and methanol, with varying solubility profiles depending on the pH and temperature of the solution.

2. Can this reagent be used for metal ion detection?

Yes, β-Naphthol Violet AR forms stable complexes with metal ions like aluminum and iron, making it effective for their detection and quantification.

3. What is the shelf life of β-Naphthol Violet AR?

When stored in a cool, dry place in a tightly sealed container, the reagent maintains its stability for up to 24 months from the date of manufacture.

4. Is this product compatible with automated titration systems?

The powdered form dissolves uniformly, making it suitable for both manual and automated titration setups without clogging or precipitation issues.

5. Are there any safety precautions for handling this reagent?

Standard lab safety protocols should be followed, including wearing gloves and goggles, as the dye may cause skin irritation and is harmful if ingested.