2,2'-Biquinoline-4,4-dicarboxylic acid disodium salt Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 979-88-4 |
| Product name | 2,2'-Biquinoline-4,4-dicarboxylic acid disodium salt |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty 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 2,2'-Biquinoline-4,4-dicarboxylic acid disodium salt
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2,2'-Biquinoline-4,4-dicarboxylic acid disodium salt Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2,2'-Biquinoline-4,4-dicarboxylic acid disodium salt
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used in the synthesis of pharmaceutical intermediates | Organic synthesis reactions |
| Analytical Chemistry | Used as an analytical reagent | Dissolution and titration |
| Materials Science | Used to prepare functional materials | Coordination polymer synthesis |
| Optoelectronics | Used in the synthesis of optoelectronic materials | Crystal growth or thin-film preparation |
Manufacturing Quality Control of 2,2'-Biquinoline-4,4-dicarboxylic acid disodium salt
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination based on peak area comparison against a certified reference standard using reversed-phase chromatography and UV detection at 254 nm. |
| Related Substances | HPLC-UV | Separation and quantification of structurally related impurities (e.g., mono-carboxylate, des-bromo, hydrolysis products) using gradient HPLC with UV detection. |
| Residual Solvents | GC-FID | Identification and quantification of volatile organic solvents (e.g., DMF, methanol, acetone) by gas chromatography with flame ionization detection. |
| Heavy Metals | ICP-OES | Multi-element quantification of toxic metals (Pb, Cd, As, Hg, Cr) after acid digestion, based on atomic emission intensity at element-specific wavelengths. |
| Sodium Content | Flame Photometry | Measurement of sodium ion concentration in aqueous solution via characteristic emission intensity at 589 nm upon atomization in a flame. |
| Chloride Impurity | Ion Chromatography | Separation and quantification of chloride anions using suppressed conductivity detection after elution with carbonate/bicarbonate buffer. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric determination of water based on stoichiometric reaction of iodine with water in pyridine/methanol medium. |
| Residue on Ignition | Gravimetric Analysis | Measurement of inorganic ash content after high-temperature incineration (700-800 C) and weighing of residual material. |
| pH (1% w/v aqueous solution) | pH Potentiometry | Determination of hydrogen ion activity using calibrated glass electrode in a standardized aqueous solution at 25 C. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of foreign particles against established reference standards under controlled lighting. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range over which solid-to-liquid phase transition occurs, using calibrated capillary method per USP <741>. |
| Microbial Limits | Membrane Filtration | Quantitative enumeration of aerobic microorganisms and detection of specified pathogens (e.g., E. coli, S. aureus) following pharmacopeial procedures. |
Technical Specifications of 2,2'-Biquinoline-4,4-dicarboxylic acid disodium salt
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Melting Point | 295-300 °C (decomposes) |
| Identification (NMR) | Consistent with structure |
| Residue on Ignition | <=0.3% |
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 2,2'-Biquinoline-4,4-dicarboxylic acid disodium salt
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2,2'-Biquinoline-4,4-dicarboxylic acid disodium salt
Safety Information of 2,2'-Biquinoline-4,4-dicarboxylic acid disodium salt
| Pictograms |   |
| Signal Word | Danger |
| Safety Data Sheet | |
Packaging of 2,2'-Biquinoline-4,4-dicarboxylic acid disodium salt
Industrial 2,2'-Biquinoline-4,4-dicarboxylic acid disodium salt 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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