1. Product Overview

5-Amino-8-quinolinol dihydrochloride (CAS 21302-43-2) is a high-purity chemical compound widely used in pharmaceutical and organic synthesis. Key specifications include:

• CAS Number: 21302-43-2
• Molecular Formula: C₉H₉N₂O·2HCl
• Molecular Weight: 233.11 g/mol
• Appearance: Light yellow to brown crystalline powder
• Purity: ≥98% (HPLC)
• Storage: 2-8°C in a dry, dark environment

2. Applications of 5-Amino-8-quinolinol Dihydrochloride

This compound serves critical roles in:

• Organic Synthesis: Intermediate for quinoline derivatives and metal-chelating agents.
• Pharmaceutical Research: Precursor in antimicrobial, anticancer, and antiviral drug development.
• Material Science: Used in dye synthesis and coordination chemistry studies.

3. Usage Guidelines

Handling & Safety

• Wear PPE (gloves, goggles, lab coat) to avoid skin/eye contact.
• Use in a well-ventilated area or under fume hoods.

Solubility

• Soluble in water, DMSO, and methanol.
• Recommended working concentration: 10-50 mM (adjust based on experimental requirements).

4. Practical Use Cases

Case Study 1: Synthesis of Antibacterial Agents

Step 1: Dissolve 5-Amino-8-quinolinol dihydrochloride (1.0 mmol) in 20 mL methanol.
Step 2: React with 1.2 mmol ethyl chloroformate at 50°C for 4 hours.
Step 3: Purify via column chromatography to yield a quinoline-based antibacterial intermediate.

Case Study 2: Coordination Chemistry Research

Used as a ligand (0.5 mmol) with Cu(II) ions (0.5 mmol) in ethanol/water (3:1) to form stable metal complexes for catalytic applications.

5. Contact Information

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