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Oxyquinoline Sulfate (also known as 8-hydroxyquinoline sulfate, bis(8-hydroxyquinolinium) sulfate, CAS No: 134-31-6 or di-8-hydroxyquinoline sulfate) is a versatile heterocyclic aromatic coordination compound. Engineered via precise stoichiometry between 8-hydroxyquinoline base and sulfuric acid, it exhibits exceptional antimicrobial, antifungal, microbicidal, and metal-chelating properties.
In modern chemical manufacturing, China has established itself as the global hub for high-purity Oxyquinoline Sulfate synthesis. Through specialized catalytic crystallization techniques, Chinese chemical plants produce ultra-pure, light-yellow crystalline powder designed to satisfy demanding requirements across agricultural plant protection, cosmetics preservation, industrial biocide processing, and active pharmaceutical ingredient (API) synthesis.
| Parameter / Parameter Name | Guaranteed Specification Standard | Analytical Testing Method |
|---|---|---|
| Chemical Formula | (C9H7NO)2 · H2SO4 | Molecular Structure Validation |
| CAS Registry Number | 134-31-6 / 21454-15-3 (Monohydrate) | CAS Standard Index |
| Appearance | Light Yellow Crystalline Powder | Visual / Sensory Inspection |
| Assay (Purity content) | ≥ 99.0% (Pharma/Tech Grade Options) | HPLC / Potentiometric Titration |
| Melting Point Range | 175°C – 178°C (Decomposition) | Capillary Tube Melting Apparatus |
| Loss on Drying (Moisture) | ≤ 0.5% max | Gravimetric (105°C for 2 Hours) |
| Residue on Ignition (Ash) | ≤ 0.1% max | Muffle Furnace Ashing (600°C) |
| Heavy Metals (as Pb) | ≤ 10 ppm max | ICP-MS / Colorimetric Comparison |
| Solubility in Water | Freely soluble in water, sparingly soluble in ethanol | Gravimetric Dissolution Method |
Procuring Oxyquinoline Sulfate directly from China chemical manufacturers grants multinational buyers unrivaled economic and logistical advantages. The integrated vertical supply chain within major chemical industrial parks ensures operational resilience, price stability, and scalable bulk availability.
China produces over 70% of the world's precursor chemicals, including aniline and acrolein derivatives required for 8-hydroxyquinoline synthesis. Direct raw material access isolates factories from global spot price shocks.
Modern Chinese manufacturing facilities operate continuous automated crystallization reactors. Closed-loop chemical recovery systems dramatically lower energy costs while maintaining zero toxic discharge compliance.
Proximity to Tier-1 international deep-water ports (Shanghai, Ningbo, Qingdao) ensures seamless container consolidation, immediate Dangerous Goods (DG) packing authorization, and minimal export lead times.
Because of its strong chelation capability with essential trace metal ions ($Cu^{2+}$, $Fe^{3+}$, $Zn^{2+}$) necessary for micro-organism metabolism, Oxyquinoline Sulfate functions as a broad-spectrum antimicrobial agent across diverse global sectors.
Used widely in Europe, South America, and Asia as a broad-spectrum systemic fungicide and bactericide. It effectively treats soil-borne vascular wilt disease, root rot caused by Fusarium, and bacterial spot in commercial crops, cut flowers, and greenhouses. Its high water solubility allows for easy spray formulation.
Incorporated into topical antiseptic gels, teat dips for dairy cattle, and wound spray formulations. Oxyquinoline Sulfate effectively suppresses Gram-positive and Gram-negative pathogenic bacteria without causing tissue cytotoxicity or systemic bio-accumulation.
Serves as a robust anti-dandruff additive in medical shampoos, deodorants, and skin lotions. Acts as an antimicrobial booster that enhances secondary preservative systems while inhibiting fungal microflora like Malassezia globosa.
Leveraging its powerful chelating ligand backbone, analytical grade Oxyquinoline Sulfate is deployed in gravimetric determination, photometric analysis of trace metals, and selective extraction of precious/heavy transition metal ions from industrial sludge.
Navigating international regulatory frameworks requires complete chemical traceability, batch consistency, and transparent safety dossiers. Premier Chinese suppliers maintain full alignment with western regulatory bodies.
Full REACH registration dossiers enable seamless chemical imports into European Union member states. Complete GHS-compliant Safety Data Sheets (SDS) are provided in multiple languages.
Factories adhere strictly to ISO 9001:2015 Quality Management Systems and ISO 14001:2015 Environmental Management Standards, with specialized cGMP lines for pharmaceutical-grade batches.
Every shipment is accompanied by a Certificate of Analysis (COA) supported by High-Performance Liquid Chromatography (HPLC), Nuclear Magnetic Resonance (NMR), and Heavy Metal ICP-MS testing.
As the global chemical landscape pivots toward bio-compatible preservatives and non-toxic agricultural active agents, Oxyquinoline Sulfate demand is expanding exponentially across developing agricultural and medical markets.
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