China Factory Direct
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| CAS number | 15238-00-3 |
| Product name | 15238-00-3 |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial GradeElectronic GradeReagent 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 |
|---|---|---|
| Chemical | Catalyst (e.g., for olefin polymerization, organic synthesis reactions) | Homogeneous or heterogeneous catalytic reaction |
| Electronics | Additive in lithium-ion battery cathode materials (to enhance conductivity) | Electrode material preparation |
| Coatings | Pigment component (providing blue or green hues) | Pigment dispersion and film formation |
| Laboratory/Research | Analytical reagent (for moisture, sulfide, etc. detection) | Titration or colorimetric analysis |
| Pharmaceuticals | Precursor for radioactive isotope labeling (e.g., cobalt-60) (requires further processing) | Radiopharmaceutical synthesis |
| Ceramics/Glass | Colorant (for blue glass or glazes) | High-temperature melting process |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Cobalt Content | Complexometric Titration (EDTA) | Cobalt ions form a stable complex with EDTA at controlled pH; endpoint detected by color change of metallochromic indicator. |
| Iodide Content | Potentiometric Titration (with AgNO₃) | Silver nitrate reacts with iodide to form AgI precipitate; endpoint determined by potential jump using silver indicator electrode. |
| Heavy Metal Impurities (Pb, Fe, Cu, Ni) | ICP-OES | Elements are atomized and excited in argon plasma; characteristic emission wavelengths quantified for multi-element analysis. |
| Moisture Content | Karl Fischer Coulometric Titration | Iodine generated electrochemically reacts stoichiometrically with water; water content calculated from total charge passed. |
| Loss on Drying (LOD) | Gravimetric Analysis (105 °C, 2 h) | Mass loss upon heating under standardized conditions reflects volatile impurities and residual solvents. |
| pH of Aqueous Solution (1% w/v) | pH Potentiometry | Hydrogen ion activity measured using calibrated glass electrode in aqueous suspension of iodide salt. |
| Insoluble Matter | Gravimetric Filtration | Sample dissolved, filtered through pre-weighed membrane filter, dried and weighed to determine undissolved residue. |
| Sulfate Impurity | Barium Sulfate Gravimetry | Sulfate precipitated as BaSO₄ in acidic medium; dried and weighed after filtration. |
| Chloride Impurity | Ion Chromatography (IC) with Conductivity Detection | Chloride ions separated on anion-exchange column and quantified by conductivity response relative to calibration standards. |
| Organic Volatile Impurities | Gas Chromatography–Mass Spectrometry (GC-MS) | Volatile organics extracted, separated by GC, and identified/quantified via mass spectral fragmentation patterns. |
| Crystal Structure (Phase Purity) | X-ray Powder Diffraction (XRPD) | Diffraction pattern compared to reference CoI₂ pattern to confirm crystalline phase identity and detect polymorphic or amorphous impurities. |
| Particle Size Distribution | Laser Diffraction | Scattering pattern of dispersed particles illuminated by laser beam is analyzed to calculate size distribution based on Mie theory. |
| Bulk and Tapped Density | ASTM D6393 (Hausner Ratio) | Measured using calibrated cylinder and tap density tester; indicates flowability and compaction behavior critical for handling and formulation. |
| Microbial Contamination | Membrane Filtration (USP <61>) | Sample filtered, membrane placed on appropriate growth media, incubated, and colonies enumerated per pharmacopeial limits (if applicable to pharma-grade). |
| Test Item | Specification |
|---|---|
| Appearance | Black solid |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.2% |
| Solubility | Soluble in water and ethanol |
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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.