8-Hydroxyquinoline Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 148-24-3 |
| Product name | 8-Hydroxyquinoline |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradePharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeElectronic 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-Hydroxyquinoline
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 8-Hydroxyquinoline Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 8-Hydroxyquinoline
| Industry | Application | Process |
|---|---|---|
| Chemical Industry | Chelating agent | Synthesizing metal chelates for analytical and separation applications |
| Pharmaceutical Industry | Antimicrobial drug intermediate | Synthesizing antimalarial and antimicrobial agents |
| Agriculture | Fungicide and insecticide | Formulating agrochemical products |
| Materials Science | Fluorescent probes and sensor materials | Modifying nanomaterials or polymers for metal ion detection |
| Analytical Chemistry | Metal ion detection | Complexometric determination of metal content via spectrophotometry or fluorometry |
| Electronics Industry | Organic luminescent material | Serving as an intermediate in synthesizing organic light-emitting diode (OLED) devices |
| Dyes and Pigments | Mordant | Enhancing dye adhesion to fibers |
| Environmental Industry | Heavy metal removal agent | Precipitating or adsorbing heavy metal ions in wastewater treatment |
Manufacturing Quality Control of 8-Hydroxyquinoline
| Test Item | Commonly Used Testing Method | Method Overview |
|---|---|---|
| Purity (Content Determination) | High-Performance Liquid Chromatography (HPLC) | A reversed-phase C18 column is used, with methanol-water or acetonitrile-water as the mobile phase, and detection by a UV detector (e.g., 254 nm). This method offers high sensitivity and good reproducibility, suitable for quantitative analysis of the purity and impurity content of 8-hydroxyquinoline. |
| Impurity Analysis (Organic Impurities) | Gas Chromatography (GC) | Suitable for the detection of volatile impurities. The sample is derivatized prior to injection, using a capillary column and a flame ionization detector (FID), allowing effective separation and qualitative/quantitative analysis of trace impurities. |
| Related Substances (Structural Analogues, Degradation Products) | High-Performance Liquid Chromatography-Mass Spectrometry (LC-MS) | Combines the separation capability of HPLC with the structural identification ability of mass spectrometry. It can identify unknown impurities, metabolites, or degradation products, providing molecular weight and fragment information. Widely used in quality control of pharmaceuticals and fine chemicals. |
| Content Determination (Classical Method) | UV-Visible Spectrophotometry (UV-Vis) | Utilizes the characteristic UV absorption peak of 8-hydroxyquinoline (around 300–350 nm), with quantification performed using a calibration curve method. Simple to operate and cost-effective, but susceptible to interference from coexisting substances. |
| Residual Solvent Testing | Gas Chromatography-Mass Spectrometry (GC-MS) | Used to detect residual organic solvents from the synthesis process (e.g., ethanol, acetone, dichloromethane). Uses headspace or solution injection combined with mass spectrometry for qualitative and quantitative analysis, in compliance with ICH Q3C guidelines. |
| Water Content | Karl Fischer Titration (KF) | Specifically used for determining trace amounts of water. Based on the reaction between iodine and sulfur dioxide in the presence of pyridine and methanol, it accurately measures the water content in samples, applicable for both solid and liquid forms of 8-hydroxyquinoline. |
| Melting Point Determination | Micro Melting Point Apparatus Method | The sample is heated to observe its melting behavior, determining the melting point range. As a physical constant test method, it can be used for preliminary assessment of sample purity and consistency. |
| Structure Confirmation | Nuclear Magnetic Resonance Spectroscopy (NMR) | ¹H NMR and ¹³C NMR provide detailed structural information of the molecule, confirming whether the chemical structure of 8-hydroxyquinoline is correct. It is an essential technique for structural verification in quality control. |
Technical Specifications of 8-Hydroxyquinoline
| Test Item | Specification |
|---|---|
| Appearance | White to light yellow crystalline powder |
| Purity | >=98.5% (HPLC) |
| Melting Point | 70-74°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 ppm |
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-Hydroxyquinoline
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 8-Hydroxyquinoline
Packaging of 8-Hydroxyquinoline
Industrial 8-Hydroxyquinoline 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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