8-Hydroxyquinaldine Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 826-81-3 |
| Product name | 8-Hydroxyquinaldine |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeReagent Grade |
| Packaging | 25KG/bag500KG/bag1000KG/bag |
| Sample | Test Samples Available (Click to Request Samples) |
| COA | View COA |
| Price | Get Quote |
| Supply Type | Bulk / Contract manufacturing / OEM |
| Shipping | FCL / LCL available |
| Payment Terms | Support FOB \ CIF \ EXW quotations, and accept Letter of Credit (L/C). |
| Manufacturer | Greenrock Chemical(China Factory) |
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Documents We Provide for 8-Hydroxyquinaldine
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 8-Hydroxyquinaldine Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 8-Hydroxyquinaldine
| Industry | Application | Process Description |
|---|---|---|
| Pharmaceuticals | Pharmaceutical Intermediates | Used in the synthesis of active pharmaceutical ingredients (APIs) for antitumor and antibacterial agents |
| Agrochemicals | Fungicide Intermediates | Applied in the synthesis of quinoline-based derivatives with fungicidal activity |
| Chemical Reagents | Analytical Reagents | Used for colorimetric analysis and complexometric titration of metal ions |
| Materials Science | Fluorescent Material Synthesis | Employed as a ligand in the preparation of fluorescent metal complexes |
| Research & Development | Organic Synthesis Intermediates | Applied in constructing complex organic molecular frameworks, including heterocyclic compound synthesis |
Manufacturing Quality Control of 8-Hydroxyquinaldine
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies 8-hydroxyquinoline content using reversed-phase HPLC with UV detection at ~313 nm, based on peak area comparison to a certified reference standard. |
| Water Content | Karl Fischer Titration | Determines water by coulometric or volumetric titration using iodine generated in situ, reacting stoichiometrically with water in anhydrous methanol-based solvent. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic impurities by ignition of sample at 700-800 C and weighing the residual ash after cooling in a desiccator. |
| Heavy Metals (as Pb) | ICP-OES | Quantifies total heavy metals (Pb, Cd, Cr, As, Hg) via plasma excitation and elemental emission intensity measurement against multi-element calibration standards. |
| Chloride Impurity | Ion Chromatography | Separates and quantifies chloride ions using anion-exchange column with suppressed conductivity detection, referenced to chloride standard solutions. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid, indicating purity and identity via comparison to literature value (125-127 C). |
| Organic Volatile Impurities | GC-FID | Detects residual solvents (e.g., toluene, DMF, ethanol) using capillary GC separation and flame ionization detection with external calibration. |
| Related Substances | HPLC-DAD | Identifies and quantifies structurally related impurities (e.g., quinoline, hydroxyquinoline isomers) using HPLC with diode array detection and spectral library matching. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity of substance in transmitted light against standard white background per USP <941>. |
| pH of Aqueous Suspension | pH Meter | Measures pH of a defined suspension (e.g., 1% w/v in water) using calibrated pH electrode to detect acidic/basic degradation products. |
| Sulfated Ash | Gravimetric Analysis | Evaluates inorganic residue after charring with sulfuric acid followed by ignition at 600-700 C and gravimetric determination. |
| Bulk Density | Tap Density Tester | Determines mass per unit volume after standardized tapping (e.g., 100 taps) per USP <616>, indicating powder flow and handling properties. |
Technical Specifications of 8-Hydroxyquinaldine
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 62–66°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
Specifications vary by industry. Reach out to our technical experts for a COA tailored specifically to your application. Email:selse@GRchemical.com
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Download COA of 8-Hydroxyquinaldine
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 8-Hydroxyquinaldine
Packaging of 8-Hydroxyquinaldine
Industrial 8-Hydroxyquinaldine Procurement FAQ
1. How do you ensure product quality consistency?
We rely on a mature China-based manufacturing system and implement strict batch control and quality inspection for every shipment. Our production process complies with ISO 9001 standards, and a COA is provided for each batch to ensure consistent and reliable quality.
2. Do you offer competitive pricing for bulk orders?
Yes, as a China-based manufacturer and bulk supplier, we provide tiered pricing based on order volume. We support FOB and CIF quotations, as well as L/C payment terms for large transactions to meet international trade requirements.
3. Can you support large-volume or long-term supply?
We have stable production capacity and a well-established supply chain, enabling continuous bulk supply. We support ton-level and container-level orders, as well as long-term cooperation projects.
4. What is your typical lead time?
For in-stock products, shipment can be arranged within 1–3 days. For bulk packaging or customized orders, lead time depends on the specific quantity and production schedule.
5. What documents do you provide?
We can provide complete documentation upon request, including COA, SDS, TDS, and other compliance certificates, meeting industrial procurement and export requirements.
6. Can you customize product specifications or packaging?
Yes, we support customization of parameters such as purity, impurities, residual solvents, and heavy metals. We also offer various bulk packaging options, including 25kg bags, drums, and IBC tanks, suitable for industrial applications and transportation.
7. What shipping options do you support?
We support both FCL (Full Container Load) and LCL (Less than Container Load) shipments, and can flexibly arrange logistics solutions based on order size to meet bulk chemical export needs.
8. Do you provide technical or application support?
Yes, we provide basic application guidance and technical support based on industry experience to help customers optimize product usage.
9. How do you handle compliance and export regulations?
We are familiar with international trade and export regulations, ensuring all products comply with relevant requirements. We also provide complete documentation to support smooth customs clearance and global delivery.
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