China Factory Direct
|
|
| CAS number | 2129-89-7 |
| Product name | METHYLDIPHENYLPHOSPHINE OXIDE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Electronic GradeMaterial GradeIndustrial GradeSpecialty 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) |
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 |
|---|---|---|
| Flame-Retardant Materials | Flame Retardant | Used as an additive flame retardant in engineering plastics (e.g., polycarbonate, polyamide) to enhance flame resistance; typically blended with other additives during polymer melt processing |
| Electronics & Electrical Appliances | Flame Retardancy for Plastic Components | Incorporated into flame-retardant engineering plastics for electronic device housings, connectors, and similar components; flame-retardant functionality is achieved via injection molding |
| Automotive Industry | Flame Retardancy for Automotive Polymeric Materials | Added to plastics used in automotive interior parts and electrical components; uniformly dispersed during extrusion or injection molding to improve fire safety |
| Chemical Synthesis | Organophosphorus Ligand Intermediate | Employed in the synthesis of structurally defined phosphine ligands; participates in transition-metal-catalyzed coupling reactions under inert atmosphere to produce target compounds |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantification based on UV absorption of analyte peak area relative to calibrated standard curve |
| Moisture Content | Karl Fischer Titration | Electrochemical titration measuring water via reaction with iodine and sulfur dioxide in methanol/pyridine medium |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities with standardized KOH solution using phenolphthalein indicator |
| Residue on Ignition | Gravimetric Analysis | Weighing residue remaining after high-temperature ashing to determine inorganic ash content |
| Heavy Metals (Pb, Cd, Hg, As) | ICP-OES | Multi-element quantification by measuring atomic emission intensities of plasma-excited elements |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using silver electrode to detect endpoint via potential change |
| Melting Point | Capillary Melting Point Apparatus | Determination of solid-to-liquid phase transition temperature using controlled heating and visual observation |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against standard reference under controlled lighting |
| Solubility in Common Solvents | Qualitative Solubility Test | Observation of complete dissolution or suspension in specified solvents (e.g., acetone, toluene) at room temperature |
| Volatile Impurities | GC-FID | Separation and detection of low-boiling impurities using gas chromatography with flame ionization detection |
| Phosphorus Content | UV-Vis Spectrophotometry (after ammonium molybdate reduction) | Colorimetric quantification of phosphomolybdate complex absorbance at 820 nm |
| Organic Impurities (Related Substances) | HPLC-DAD | Identification and quantification of structurally related compounds using retention time and UV spectral matching |
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Melting Point | 78-82°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Heavy Metals | <=10 ppm |
| Residue on Ignition | <=0.1% |
|
|
|
| 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.