China Factory Direct
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| CAS number | 6424-15-3 |
| Product name | Cobalt(II) citrate dihydrate, 98% |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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 |
|---|---|---|
| Catalyst Manufacturing | Used to prepare cobalt-based catalyst precursors for Fischer–Tropsch synthesis, hydrodesulfurization, and related reactions | Serves as the cobalt source in co-impregnation or precipitation-calcination processes with supports (e.g., Al₂O₃, SiO₂) to produce supported Co catalysts |
| Battery Materials | Cobalt precursor for lithium-ion battery cathode materials (e.g., lithium cobalt oxide) and high-voltage cobalt-rich lithium manganese-based materials | Co-precipitated with lithium and manganese salts, followed by high-temperature solid-state calcination to synthesize cathode active material |
| Ceramics & Pigments | Used as a colorant or glaze additive to impart blue to bluish-green hues to ceramic products | Mixed with other metal oxides in glaze formulations and fired in an oxidizing atmosphere at 1000–1300 °C |
| Pharmaceutical Intermediates | Cobalt supplement and cobalt-coordinating precursor in vitamin B₁₂ synthesis pathways (research-stage application) | Provides Co²⁺ for coordination reactions with corrin ring derivatives to construct the cobalamine backbone (laboratory scale) |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Co content | ICP-OES | Quantifies cobalt by measuring characteristic atomic emission intensities after plasma atomization and excitation. |
| Citric acid content | Acid-base titration | Determines citric acid via back-titration with standardized NaOH after reaction with excess standardized NaOH. |
| Water content (crystalline) | Karl Fischer titration | Measures water based on stoichiometric iodine consumption in a pyridine-methanol solvent system. |
| Loss on drying | Gravimetric analysis | Determines volatile matter by mass loss after heating at 105 C for 2 h under controlled conditions. |
| pH of aqueous solution | Potentiometric measurement | Measures hydrogen ion activity using calibrated pH electrode in a 1% w/v aqueous suspension. |
| Heavy metals (Pb, Cd, Hg, As) | ICP-MS | Detects trace heavy metals by mass-to-charge ratio separation after high-temperature ionization in plasma. |
| Chloride impurity | Ion chromatography | Separates and quantifies chloride anions using suppressed conductivity detection after anion-exchange separation. |
| Sulfate impurity | Barium sulfate gravimetry | Precipitates sulfate as BaSO4 and determines content by weighing the dried precipitate. |
| Iron impurity | AAS | Quantifies iron by measuring absorption of specific wavelength light by ground-state Fe atoms in flame. |
| Appearance | Visual inspection | Assesses physical state, color, and presence of foreign particles against standard reference under controlled lighting. |
| Particle size distribution | Laser diffraction | Determines size distribution by analyzing angular variation in laser light scattering from dispersed particles. |
| Bulk density | Graduated cylinder method | Measures mass per unit volume of freely settled powder in a standardized cylinder under defined tapping conditions. |
| Test Item | Specification |
|---|---|
| Appearance | Pink to reddish crystalline powder |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Residue on Ignition | <=1.0% |
| Heavy Metals | <=20 ppm |
| Solubility | Soluble in water; slightly soluble in ethanol |
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| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
| Pictograms | ![]() |
| Signal Word | Warning |
| 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.