4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 34785-11-0 |
| Product name | 4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty Grade |
| Packaging | 25KG/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 4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for antibacterial agents, used in the synthesis of quinolone antibiotics (e.g., ciprofloxacin derivatives) | Undergoes O-alkylation or O-acylation with alkyl halides or acyl chlorides, followed by cyclization and hydrolysis to construct the quinolone core |
| Agrochemicals | Intermediate for plant growth regulators and fungicides | Participates in heterocyclic coupling reactions to build quinoline-containing active molecules for controlling fungal diseases such as rice sheath blight |
| Materials Science | Precursor for electron transport layer materials in organic light-emitting diodes (OLEDs) | Forms stable chelates via metal coordination (e.g., with Al³⁺ or Zn²⁺), followed by thin-film deposition via vacuum evaporation or solution spin-coating |
Manufacturing Quality Control of 4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification based on retention time matching and threshold limits per ICH Q3B. |
| Residual Solvents | GC-FID | Detection and quantification of organic solvents (e.g., methanol, ethyl acetate) by gas chromatography with flame ionization detection against calibrated standards. |
| Heavy Metals | ICP-MS | Multi-element quantification of Pb, Cd, Hg, As, and others at trace levels using inductively coupled plasma mass spectrometry after acid digestion. |
| Chloride Content | Ion Chromatography | Separation and conductivity-based quantification of chloride ions in aqueous extract using anion-exchange column and suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Residue mass after incineration at 700-800 C followed by sulfuric acid treatment and final weighing. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric determination of water content based on stoichiometric reaction between iodine and water in pyridine-methanol medium. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed as solid-to-liquid phase change under controlled heating rate; reported as onset and clear point range. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles against defined reference standards under controlled lighting. |
| pH of Aqueous Suspension | pH Meter | Measurement of pH in a 1% w/v suspension in purified water using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Analysis of size distribution in dispersed sample via angular scattering pattern of laser beam, reported as D10, D50, D90. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light through a solution at specified concentration and wavelength (e.g., sodium D line). |
Technical Specifications of 4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID
| Test Item | Specification |
|---|---|
| Appearance | Yellow solid |
| Purity | >=98.5% (HPLC) |
| Melting Point | 240–245 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 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 4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID
Safety Information of 4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID
Industrial 4-HYDROXYQUINOLINE-3-CARBOXYLIC ACID 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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