Pyridinium dichromate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 20039-37-6 |
| Product name | Pyridinium dichromate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeReagent 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 Pyridinium dichromate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Pyridinium dichromate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Pyridinium dichromate
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Oxidizing agent for organic compounds | Selectively oxidizes alcohols—particularly primary and secondary alcohols—to aldehydes or ketones; commonly employed in laboratory-scale organic synthesis reactions |
| Pharmaceutical Industry | Oxidation step in intermediate synthesis | Serves as a mild oxidant in drug molecule synthesis to convert hydroxyl groups to carbonyl groups, used in the preparation of active pharmaceutical ingredients such as antibiotics and hormones |
| Research Institutions | Laboratory oxidizing reagent | Used as a standard oxidant in organic chemistry teaching and research for reaction mechanism studies and functional group transformations prior to product purification |
| Materials Science | Surface treatment and functionalization | Oxidizes hydroxyl groups on polymer or carbon material surfaces to introduce carbonyl functionalities, thereby enhancing hydrophilicity or enabling subsequent grafting reactions |
Manufacturing Quality Control of Pyridinium dichromate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (PDC content) | Redox Titration with Fe2+ | Quantifies PDC by stoichiometric reduction of Cr(VI) to Cr(III) using standardized ferrous ammonium sulfate solution. |
| Moisture Content | Karl Fischer Titration | Measures water content via coulometric or volumetric reaction between water and iodine generated in situ. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Simultaneously quantifies trace heavy metals after acid digestion by measuring element-specific atomic emission intensities. |
| Chloride Impurity | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Sulfate Impurity | Gravimetric Analysis | Precipitates sulfate as BaSO4 and determines mass after filtration and drying. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after high-temperature ashing at 700-800 C. |
| pH of Aqueous Suspension | pH Meter Measurement | Determines pH of a defined suspension (e.g., 1% w/v in water) using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Analyzes size distribution based on angular dependence of laser light scattering by dispersed particles. |
| Organic Impurities (related substances) | HPLC-UV | Separates and quantifies impurities using reversed-phase chromatography and UV detection at 254 nm. |
| Loss on Drying | Thermogravimetric Analysis (TGA) | Measures mass loss upon controlled heating (e.g., 105 C, 2 h) to assess volatile content. |
| Iron Content | AAS | Quantifies iron after acid digestion using atomic absorption at characteristic wavelength (248.3 nm). |
| Bulk Density | Graduated Cylinder Method | Determines mass per unit volume of freely settled powder in a standard cylinder. |
Technical Specifications of Pyridinium dichromate
| Test Item | Specification |
|---|---|
| Appearance | Orange to Brown Powder, Crystals and/or Chunks |
| Purity | >=98.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.3% |
| Melting Point | 175–185°C |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.2% |
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 Pyridinium dichromate
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| Lot/Batch Number | *Required fields | |
NMR Spectra of Pyridinium dichromate
Packaging of Pyridinium dichromate
Industrial Pyridinium dichromate 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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