8-Hydroxyquinoline Suppliers in China - Pharmaceutical Grade Factory for Chelating Raw Material (CAS 148-24-3)
Physical & Chemical Properties
| Product Category | Pyridine and Heterocyclic Pharmaceutical Intermediate |
| Appearance | White Crystal |
| Melting Point | 70–74℃ |
| Solubility | 0.56 g/l |
| Water Solubility | INSOLUBLE |
| Density | 1.034 |
| Boiling Point | 267℃ at 760 mmHg |
| Refractive Index | 1.4500 (estimate) |
| Flash Point | 143.1℃ |
| Vapour Pressure | 0.00508 mmHg at 25℃ |
| pKa | 5.017 (at 20℃) |
Product Description
8-Hydroxyquinoline is a premium-grade multifunctional organic compound, appearing as a white to pale yellow crystalline powder with a characteristic phenolic odor. Renowned for its exceptional ability to form stable complexes with a wide variety of metal ions, it serves as an indispensable chelating agent in analytical chemistry and industrial metallurgy. Beyond its laboratory utility, 8-HQ is a potent antiseptic and disinfectant, making it a cornerstone ingredient in the formulation of topical medical treatments, cosmetics, and agricultural fungicides.
Product Features
- 🔗 Superior Chelating Ability Acts as a bidentate chelating agent, forming insoluble coordination compounds with metal ions like Al³⁺, Cu²⁺, and Zn²⁺, ideal for metal precipitation and separation.
- 🦠 Broad-Spectrum Antimicrobial Exhibits strong antibacterial, antifungal, and anti-amebic properties, frequently utilized in dermatological ointments and wound care products.
- 🔬 High Analytical Grade Purity Produced with a high assay percentage (typically 99% or higher), ensuring reliable and reproducible results in quantitative chemical analysis.
- ⚗️ Chemical Stabilization Widely used as a stabilizer for chemical solutions, particularly in preventing the decomposition of hydrogen peroxide (H₂O₂).
- 🌿 Agricultural Efficacy Serves as a key active ingredient or intermediate in fungicides and herbicides, protecting crops from various fungal pathogens.
- 💡 Fluorescence Properties Its metal complexes often exhibit strong fluorescence, making it a valuable tool in fluorescent labeling and trace metal detection.
- 📦 Low Volatility Features a melting point of approximately 74 to 76°C, providing stability during handling and storage in industrial environments.
Packaging & Specifications
Packaging Specifications
Sample packaging: 1g / 5g / 10g in glass bottles (with inner sealing);
Bulk packaging: 25 kg in cardboard drums (inner packaging with vacuum aluminum foil bags).
Packaging Customization
Neutral packaging or customer-specified brand packaging is supported; prior communication and confirmation are required.
Storage Conditions
Store in a cool and dark environment (temperature < 15°C), sealed under an inert gas atmosphere. Avoid contact with oxidizing agents and prevent moisture absorption.
Shelf Life
18 months shelf life when stored in original packaging (sealed condition).
Quality Compliance & Assurance
Supply Service & Description
🏭 Supply Capacity
Annual production capacity of 50 tons. Popular products are usually in stock (in-stock orders shipped within 72 hours); customized orders are delivered within 7–15 working days based on process requirements.
✈️ Shipping Options
Samples: DHL / UPS international express (3–7 days delivery);
Bulk cargo: Cooperate with logistics providers (e.g., Maersk) via sea / air freight. Full set of customs declaration documents are provided to ensure compliant customs clearance.
💳 Payment Terms
Sample orders: 100% prepayment;
Bulk orders: T/T (30% deposit, 70% payment against copy of bill of lading). L/C payment terms are negotiable.