China Factory Direct
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| CAS number | 22202-68-2 |
| Product name | ALPHA-KETOGLUTARIC ACID MONOSODIUM SALT |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeFood 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) |
Based on current marketvolatility and material availability.
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
| Industry | Application | Process |
|---|---|---|
| Food Industry | Flavor enhancer and nutritional fortificant | Added directly or blended with other ingredients |
| Pharmaceutical Industry | Active pharmaceutical ingredient (API) or intermediate | Synthesized into target drug molecules via chemical reaction |
| Biotechnology | Component of cell culture media | Dissolved in water or other solvents for incorporation into culture media |
| Nutritional Supplements | Nutritional supplement | Used in powder form directly in capsule or tablet manufacturing |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (NaC5H5NO5) | Acid-Base Titration | Direct titration with standardized HCl after acid hydrolysis to quantify alpha-ketoglutarate anion. |
| Sodium Content | Flame Photometry | Quantification of Na+ ions based on characteristic emission intensity at 589 nm. |
| Water Content | Karl Fischer Titration | Electrochemical determination of water via iodine-sulfur dioxide reaction in methanol-pyridine medium. |
| pH (1% aqueous solution) | Potentiometric Measurement | Measurement of hydrogen ion activity using calibrated glass electrode in aqueous solution. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) | Quantification of total heavy metals after wet digestion, using lead as the reference metal. |
| Chloride | Argentometric Titration | Titration with standardized silver nitrate using potassium chromate indicator for endpoint detection. |
| Sulfate | Gravimetric Analysis | Precipitation as barium sulfate followed by filtration and weighing of dried precipitate. |
| Loss on Drying | Thermogravimetric Method | Mass loss measured after drying at 105 C for 2 hours under controlled atmosphere. |
| Residue on Ignition | Gravimetric Analysis | Weight of non-volatile inorganic residue remaining after incineration at 600 C. |
| Related Substances | HPLC-UV | Separation on reversed-phase column with UV detection at 210 nm to identify and quantify impurities. |
| Microbial Contamination | Membrane Filtration | Enumeration of aerobic microorganisms following filtration, membrane transfer, and incubation on TSA. |
| Appearance | Visual Inspection | Assessment of physical state, color, and absence of visible particulates or discoloration against standard white background. |
| Test Item | Specification |
|---|---|
| Appearance | White solid powder |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
| Odor | Characteristic, non-offensive |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Danger |
| Safety Data Sheet | |
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.