Description

Specifications Table

Product Name – 2-Naphthol LR
Quantity/Pack Size – 500 g
Form – Crystalline Powder
Grade – LR (Laboratory Reagent)
Application – Organic synthesis, dye intermediates, biochemical research

Product Overview

2-Naphthol LR is a premium-grade laboratory reagent widely recognized for its high purity and consistent performance in chemical applications. This white crystalline powder, with a minimum assay of 99%, serves as a fundamental building block in organic synthesis, particularly in the production of azo dyes, pigments, and pharmaceutical intermediates. Its molecular structure, featuring a hydroxyl group attached to a naphthalene ring, imparts unique reactivity, making it indispensable in condensation reactions and coupling processes. The LR grade ensures minimal impurities, meeting stringent laboratory standards for reliable experimental outcomes. The compound exhibits moderate solubility in organic solvents like ethanol and ether, while remaining sparingly soluble in water, which enhances its versatility across different reaction mediums. Proper storage in airtight containers away from light and moisture preserves its stability and extends shelf life. Whether used as a precursor in dye manufacturing or as a reagent in analytical chemistry, 2-Naphthol LR delivers consistent results, making it a staple in research and industrial laboratories alike.

FAQs

1. What is the melting point of 2-Naphthol LR?

The melting point of 2-Naphthol LR typically ranges between 121-123°C, which is a key indicator of its purity and quality for laboratory applications.

2. Can 2-Naphthol LR be used in food-grade applications?

No, 2-Naphthol LR is classified as a laboratory reagent and is not approved for food-grade use due to its potential toxicity and industrial application focus.

3. How should 2-Naphthol LR be stored to maintain its purity?

Store 2-Naphthol LR in a cool, dry place in tightly sealed containers, protected from light and moisture to prevent degradation and oxidation over time.

4. Is 2-Naphthol LR compatible with aqueous solutions?

2-Naphthol LR has limited solubility in water but dissolves well in alkaline solutions, forming soluble naphtholate salts that are useful in certain synthetic processes.

5. What safety precautions should be taken when handling 2-Naphthol LR?

Always wear appropriate personal protective equipment, including gloves, goggles, and lab coats, as 2-Naphthol LR can cause skin and eye irritation and should be handled in a well-ventilated area.