METHYLDIPHENYLPHOSPHINE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1486-28-8 |
| Product name | METHYLDIPHENYLPHOSPHINE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeIndustrial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 METHYLDIPHENYLPHOSPHINE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk METHYLDIPHENYLPHOSPHINE Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of METHYLDIPHENYLPHOSPHINE
| Industry | Application | Process |
|---|---|---|
| Pesticides | Used as an organophosphorus intermediate for synthesizing high-efficiency insecticides or herbicides | Produced via reaction of diphenylmethanol with phosphorus trichloride or phosphite esters, followed by hydrolysis and purification; the resulting intermediate is employed in subsequent condensation reactions to construct P–C bonds |
| Pharmaceuticals | Used to synthesize phosphine-containing drug molecules, such as protease inhibitors or antiviral compounds | Acts as a phosphonylation reagent in nucleophilic substitution reactions, coupling with drug precursors bearing hydroxyl or amino groups to form P–O or P–N bonds |
| Materials Science | Used as an intermediate for flame retardants or as a phosphorus-based modifier for polymeric materials | Reacts with bisphenols or epoxy resins to incorporate phosphonate ester structures, thereby enhancing thermal stability and flame retardancy of the materials |
| Organic Synthesis | Used as a precursor to phosphine ligands or as a reducing agent in transition-metal-catalyzed reactions | Coordinates with metal salts (e.g., Pd, Rh) under inert atmosphere to generate phosphine complexes employed in cross-coupling or hydrogenation reactions |
Manufacturing Quality Control of METHYLDIPHENYLPHOSPHINE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detector | Quantifies main component by retention time and peak area comparison against certified reference standard. |
| Water Content | Karl Fischer Titration | Measures water via coulometric or volumetric titration based on iodine-sulfur dioxide redox reaction. |
| Acid Value | Acid-Base Titration with NaOH standard solution | Determines acidic impurities by neutralization with standardized sodium hydroxide solution using phenolphthalein indicator. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Measures non-volatile inorganic residue after controlled high-temperature ashing and weighing. |
| Heavy Metals | ICP-OES | Quantifies trace metal contaminants (e.g., Pb, Cd, Hg, As) by atomic emission intensity following acid digestion. |
| Chloride Content | Ion Chromatography (IC) | Separates and quantifies chloride ions using anion-exchange column and conductivity detection. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity of sample against specified criteria under controlled lighting. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary tube method. |
| Organic Volatile Impurities | Headspace Gas Chromatography-Mass Spectrometry (HS-GC-MS) | Identifies and quantifies residual solvents and volatile organic impurities by thermal desorption and mass spectral detection. |
Technical Specifications of METHYLDIPHENYLPHOSPHINE
| Test Item | Specification |
|---|---|
| Appearance | Colorless liquid |
| Purity | >=98.0% (GC-MS) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Refractive Index (n20/D) | 1.575–1.585 |
| Relative Density (20°C/25°C) | 1.12–1.14 g/cm³ |
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 METHYLDIPHENYLPHOSPHINE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of METHYLDIPHENYLPHOSPHINE
Packaging of METHYLDIPHENYLPHOSPHINE
Industrial METHYLDIPHENYLPHOSPHINE 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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