Chromium(III) chloride Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 10025-73-7 |
| Product name | Chromium(III) chloride |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial 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 Chromium(III) chloride
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Chromium(III) chloride Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Chromium(III) chloride
| Industry | Application | Process |
|---|---|---|
| Catalyst Manufacturing | Organic synthesis catalyst for olefin polymerization, aromatic alkylation, and related reactions | Used as a primary or co-catalyst component in combination with activators such as alkylaluminum compounds |
| Electroplating Industry | Main component of trivalent chromium plating baths, serving as an alternative to hexavalent chromium coatings | Formulated into trivalent chromium plating baths; corrosion-resistant, decorative chromium coatings are deposited onto metal surfaces via electrolytic deposition |
| Pigments & Dyes | Precursor material for green inorganic pigment (chromium oxide green) | Converted to Cr₂O₃ pigment through high-temperature calcination and oxidation treatment |
| Pharmaceutical Intermediates Synthesis | Starting material for synthesizing chromium-containing complexes in drug molecules | Used to prepare chromium(III) complex-based drug candidates, such as antidiabetic compounds (experimental stage) |
| Ceramics & Glass Industry | Colorant providing a stable green hue | Directly added to glazes or glass melts and developed during high-temperature firing |
| Polymers | Component of Ziegler-Natta catalysts for olefin polymerization (e.g., polyethylene, polypropylene) | Combined with TiCl₄, Al(C₂H₅)₃, and other components to form multi-component catalytic systems that control polymerization activity and stereoselectivity |
Manufacturing Quality Control of Chromium(III) chloride
| Test Item | Common Testing Method | Method Description |
|---|---|---|
| Appearance | Visual Inspection | Observe the color and state of the sample under natural light or a standard light source. The qualified product should be a purplish-red or deep purple crystalline powder, free from visible impurities. |
| Main Content (CrCl₃) | EDTA Titration Method | Dissolve the sample and titrate Cr³⁺ with an EDTA standard solution in a buffer solution using PAN or xylenol orange as an indicator to calculate the chromium trichloride content. |
| Water Content (H₂O) | Karl Fischer Method | Use a coulometric or volumetric Karl Fischer moisture analyzer to determine trace water content in the sample, ensuring it meets the anhydrous requirement. |
| Chloride Ion Content | Silver Nitrate Titration Method (Mohr Method or Potentiometric Titration) | Dissolve the sample, adjust pH, and titrate chloride ions with silver nitrate standard solution through precipitation reaction to determine chlorine content and verify stoichiometry. |
| Iron (Fe) Impurity | Atomic Absorption Spectroscopy (AAS) | Digest the sample and use an atomic absorption spectrometer at the characteristic wavelength for iron to measure absorbance and quantify iron impurity content. |
| Total Heavy Metals | Sulfide Colorimetric Method (e.g., lead, nickel, etc.) | Under acidic conditions, add sodium sulfide to form colored sulfide precipitates, compare with standard color charts or measure instrumentally to determine total heavy metal content. |
| Chromium (VI) Impurity | Spectrophotometry (Diphenylcarbazide Method) | In acidic conditions, Cr(VI) reacts with diphenylcarbazide to form a purplish-red complex. Measure absorbance at 540 nm to detect residual hexavalent chromium. |
| Incineration Residue | Gravimetric Method | Weigh the residue after high-temperature incineration of the sample to calculate the mass of non-volatile impurities and assess purity. |
| pH Value (Aqueous Solution) | pH Meter Method | Dissolve the sample in deionized water (note: anhydrous chromium trichloride is easily hydrolyzed), and measure the pH value of the aqueous solution with a pH meter to evaluate acidity level. |
| Particle Size Distribution | Laser Diffraction Particle Size Analysis | Analyze the sample suspension with a laser particle size analyzer to obtain particle size distribution, suitable for quality control of powders. |
Technical Specifications of Chromium(III) chloride
| Test Item | Specification |
|---|---|
| Appearance | Purple powder or flakes |
| Purity | >=98.0% |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.3% |
| Solubility | Soluble in water; insoluble in ethanol and ether |
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 Chromium(III) chloride
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| Lot/Batch Number | *Required fields | |
Packaging of Chromium(III) chloride
Industrial Chromium(III) chloride 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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