2,3-Quinoline dicarboxylic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 643-38-9 |
| Product name | 2,3-Quinoline dicarboxylic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial GradeElectronic GradeFood 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 2,3-Quinoline dicarboxylic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,3-Quinoline dicarboxylic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,3-Quinoline dicarboxylic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Industry | Synthesis of antiviral drugs | Used as an intermediate in the synthesis of quinoline-based pharmaceuticals, generating target compounds via esterification, condensation, and related reactions |
| Chemical Industry | Catalyst precursor | Applied in the preparation of metal complex catalysts for organic synthesis reactions |
| Materials Science | Functional material synthesis | Employed in the synthesis of conductive polymers, optoelectronic materials, or polymer composites |
| Food Industry | Food additive | Used as a pH regulator or chelating agent in certain applications, subject to food safety regulations |
| Dye Industry | Dye intermediate | Applied in the synthesis of quinoline-based dyes, producing final dye products via substitution, oxidation, and related processes |
| Pesticide Industry | Pesticide intermediate | Serves as a raw material for herbicide or insecticide synthesis, participating in multi-step organic reactions |
| Electronics Industry | Electronic chemical | Used in manufacturing alignment layers for liquid crystal displays (LCDs) or other functional coating materials |
Manufacturing Quality Control of 2,3-Quinoline dicarboxylic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC with UV detection | Quantitative determination based on peak area comparison against a certified reference standard using reversed-phase chromatography. |
| Related Substances | HPLC with UV detection | Separation and quantification of impurities relative to the main peak using gradient elution and UV absorbance. |
| Loss on Drying | Gravimetric method (105 C, 2 h) | Mass loss measured after drying under controlled temperature and time to determine volatile content. |
| Residue on Ignition | Sulfated ash gravimetry | Conversion of organic matter to sulfate ash at 700-800 C followed by weighing of inorganic residue. |
| Heavy Metals (as Pb) | Colorimetric sulfide precipitation | Reaction with hydrogen sulfide under acidic conditions to form colored metal sulfides for semi-quantitative or quantitative assessment. |
| Chloride | Potentiometric titration with AgNO3 | Titration with silver nitrate using a silver indicator electrode to detect endpoint via potential change. |
| Sulfate | Barium chloride turbidimetry | Precipitation of sulfate as barium sulfate and measurement of turbidity proportional to sulfate concentration. |
| Iron (Fe) | Atomic Absorption Spectroscopy (AAS) | Atomization of sample in flame and measurement of absorption at characteristic wavelength (248.3 nm) for Fe. |
| Water Content | Karl Fischer titration | Electrochemical titration with iodine reagent where water reacts stoichiometrically to determine trace moisture. |
| Melting Point | Capillary melting point apparatus | Thermal determination of solid-to-liquid transition range using calibrated capillary tube method. |
| pH of 1% Aqueous Suspension | pH meter with glass electrode | Measurement of hydrogen ion activity in a standardized suspension using calibrated pH electrode. |
| Organic Volatile Impurities | Gas Chromatography (GC-FID) | Separation and quantification of residual solvents using capillary GC with flame ionization detection. |
Technical Specifications of 2,3-Quinoline dicarboxylic acid
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 245–249 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| 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 2,3-Quinoline dicarboxylic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,3-Quinoline dicarboxylic acid
Safety Information of 2,3-Quinoline dicarboxylic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2,3-Quinoline dicarboxylic acid
Industrial 2,3-Quinoline dicarboxylic 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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