China Factory Direct
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| CAS number | 81686-75-1 |
| Product name | Magnesium pyruvate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty 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) |
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 |
|---|---|---|
| Pharmaceuticals & Health Supplements | Used to supplement magnesium, support energy metabolism, and enhance exercise endurance | Commonly employed as a filler in raw tablet or capsule formulations |
| Nutritional Supplements | Formulated into dietary supplements to help alleviate fatigue and support metabolic function | Solid powder blending followed by compression molding |
| Chemical Industry | Used as a synthetic intermediate or auxiliary agent in specific organic chemical reactions | Solution-phase reaction or catalytic synthesis |
| Food Additives | Applied as an acidity regulator or nutrient fortificant (subject to local regulatory compliance) | Direct addition process using food-grade material |
| Agricultural Research | Utilized as experimental material for plant physiological studies or trace element supplementation | Laboratory-scale solution preparation |
| Detection Item | Common Analytical Method | Method Overview |
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| Assay (MgC₆H₆O₆·xH₂O) | Acid-Base Titration with EDTA | Complexometric titration using standardized EDTA solution at pH 10; Mg²⁺ forms stable 1:1 complex with EDTA, detected by Eriochrome Black T indicator. |
| Magnesium Content | ICP-OES | Quantification of Mg elemental concentration via atomic emission intensity of Mg II 279.553 nm line after acid digestion and plasma atomization/excitation. |
| Loss on Drying (LOD) | Gravimetric Analysis (Thermogravimetry) | Mass loss measured after drying at 105 °C to constant weight; reflects volatile content including water and residual solvents. |
| Heavy Metals (Pb, Cd, As, Hg) | ICP-MS | Multi-element quantification of trace heavy metals after microwave-assisted acid digestion; based on mass-to-charge ratio detection in high-resolution plasma ion source. |
| Chloride Impurity | Potentiometric Titration with AgNO₃ | Titration with silver nitrate; endpoint detected by silver electrode potential shift due to AgCl precipitation. |
| Sulfate Impurity | Gravimetric Analysis (BaSO₄ Precipitation) | Precipitation of sulfate as insoluble BaSO₄ in acidic medium, followed by filtration, ignition, and weighing. |
| pH (1% aqueous solution) | Potentiometric pH Measurement | Direct measurement using calibrated glass electrode in a 1% w/v aqueous solution at 25 °C. |
| Residue on Ignition | Gravimetric Analysis (Sulfated Ash) | Mass of inorganic residue remaining after high-temperature (700–800 °C) ignition of sample following sulfuric acid treatment. |
| Related Substances (e.g., pyruvic acid, magnesium hydroxide) | HPLC-UV | Separation on reversed-phase C18 column with UV detection at 210 nm; quantification against reference standards using external calibration. |
| Microbial Contamination (Total Aerobic Count, Yeasts/Molds) | Membrane Filtration + Plate Count Agar | Filtration of solution through sterile membrane, transfer to appropriate agar media, incubation, and colony enumeration. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity vs. angle to determine volume-based particle size distribution in dispersed aqueous slurry. |
| Water Content (Karl Fischer) | Coulometric Karl Fischer Titration | Electrochemical generation of iodine in anhydrous methanol-based reagent; water reacts stoichiometrically with iodine, quantified by charge consumed. |
| Identity Confirmation | FT-IR Spectroscopy | Comparison of sample’s mid-infrared absorption spectrum (4000–400 cm⁻¹) with reference standard; matches characteristic functional group bands (e.g., C=O, Mg–O). |
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.2% |
| Odor | Characteristic mild odor |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
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.