3878-44-2 Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 3878-44-2 |
| Product name | 3878-44-2 |
| 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) |
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Documents We Provide for 3878-44-2
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 3878-44-2 Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 3878-44-2
| Industry | Application | Process |
|---|---|---|
| Chemical Synthesis | Organic synthesis reagent for introducing selenium groups or serving as a selenium source | Reacted with organic halides or organometallic reagents under inert atmosphere to participate in nucleophilic substitution, reduction, or cyclization reactions |
| Materials Science | Preparation of selenium-containing functional materials (e.g., organoselenium compounds, semiconductor precursors) | Used as a ligand or precursor in material synthesis processes such as solvothermal synthesis and chemical vapor deposition (CVD) |
| Catalytic Chemistry | Ligand or catalyst component in transition metal-catalyzed reactions | Forms complexes with metals such as palladium and copper to enable catalytic cycles for C–Se bond formation and coupling reactions |
| Pharmaceutical R&D | Synthesis of biologically active organoselenium molecules (e.g., antioxidants, anticancer candidates) | Serves as a key intermediate in multistep syntheses, enabling construction of target molecular frameworks via selenylation reactions |
Manufacturing Quality Control of 3878-44-2
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (PPh3Se content) | HPLC-UV | Quantification by reverse-phase HPLC with UV detection at 254 nm using external standard calibration. |
| Appearance | Visual Inspection | Assessment of physical state and color against reference standards under controlled lighting conditions. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid using calibrated capillary apparatus. |
| Loss on Drying | Gravimetric (105 C, 2 h) | Mass loss measured after drying sample at 105 C for 2 hours under atmospheric pressure. |
| Residue on Ignition | Gravimetric (550 C, 2 h) | Residue mass after incineration at 550 C for 2 hours, indicating inorganic ash content. |
| Chloride Impurity | Ion Chromatography (IC) | Separation and quantification of chloride ions using anion-exchange column and conductivity detection. |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-MS | Multi-element detection and quantification based on mass-to-charge ratio after acid digestion and plasma ionization. |
| Solvent Residues (e.g., CH2Cl2, THF) | GC-FID | Separation by gas chromatography and detection via flame ionization detector using internal standard calibration. |
| Water Content | Karl Fischer Titration | Volumetric titration with iodine-based reagent; water reacts stoichiometrically to determine moisture content. |
| Acid Value | Acid-Base Titration (NaOH, phenolphthalein) | Neutralization of acidic impurities with standardized NaOH solution; endpoint detected by indicator color change. |
| Phosphine Oxide Impurity (O=PPh3) | 1H NMR Spectroscopy | Identification and quantification based on characteristic chemical shift differences between PPh3Se and O=PPh3 protons. |
| Elemental Selenium Content | ICP-OES | Quantification of total selenium after microwave-assisted acid digestion using optical emission at Se 196.09 nm. |
Technical Specifications of 3878-44-2
| Test Item | Specification |
|---|---|
| Appearance | White to almost white powder or crystals |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 175–179°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=20 ppm |
| Residue on Ignition | <=0.1% |
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 3878-44-2
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 3878-44-2
Packaging of 3878-44-2
Industrial 3878-44-2 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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