Bis(4-methoxyphenyl)phosphine oxide Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 15754-51-5 |
| Product name | Bis(4-methoxyphenyl)phosphine oxide |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural 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 Bis(4-methoxyphenyl)phosphine oxide
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Bis(4-methoxyphenyl)phosphine oxide Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Bis(4-methoxyphenyl)phosphine oxide
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Organic synthesis intermediate for phosphorus-containing pharmaceuticals or bioactive molecules | Used in carbon–carbon double bond formation, e.g., Wittig reaction and Horner–Wadsworth–Emmons (HWE) reaction |
| Agricultural Chemicals | Synthesis precursor for pesticides or plant growth regulators with specific biological activity | Serves as a building block for phosphonate compound synthesis |
| Materials Science | Preparation of functional organophosphorus materials, such as flame retardants or ligands | Introduces the methoxyphenylphosphinyl moiety via nucleophilic substitution or coupling reactions |
| Organic Synthesis | Stable, easy-to-handle phosphine oxide reagent | Reacts with aldehydes or ketones under basic conditions to generate alkenes (HWE reaction variant) |
Manufacturing Quality Control of Bis(4-methoxyphenyl)phosphine oxide
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reversed-phase HPLC with UV detection at 254 nm, comparing peak area to a certified reference standard. |
| Related Substances | HPLC-UV | Detects and quantifies structurally similar impurities (e.g., mono-methoxy analogs, phosphine oxides) via gradient HPLC-UV against reference standards. |
| Residual Solvents | GC-FID | Measures trace solvents (e.g., toluene, THF, methanol) using gas chromatography with flame ionization detection and internal standard calibration. |
| Moisture Content | Karl Fischer Titration | Determines water content by coulometric or volumetric titration based on the stoichiometric reaction of iodine with water in pyridine/methanol medium. |
| Heavy Metals | ICP-OES | Quantifies elemental impurities (e.g., Pb, Cd, Ni, Fe) after acid digestion using inductively coupled plasma optical emission spectrometry. |
| Chloride Content | Ion Chromatography | Separates and quantifies chloride ions using suppressed conductivity detection after aqueous extraction and filtration. |
| Acid Value | Acid-Base Titration | Measures free acidic impurities by titration with standardized KOH ethanol solution using phenolphthalein indicator. |
| Melting Point | Capillary Melting Point Apparatus | Determines temperature range at which solid transitions to liquid using calibrated capillary apparatus per USP <741>. |
| Appearance | Visual Inspection | Assesses physical state, color, and clarity of solid sample against white/black background under controlled lighting. |
| Loss on Drying | Gravimetric Analysis | Determines volatile content by measuring mass loss after drying at 105 C for 2 hours under vacuum or nitrogen. |
| Residue on Ignition | Sulfated Ash Test | Measures non-volatile inorganic residue after charring and incineration at 600 C followed by gravimetric analysis. |
| Particle Size Distribution | Laser Diffraction | Analyzes dry powder particle size distribution using Mie scattering theory with helium-neon laser illumination. |
Technical Specifications of Bis(4-methoxyphenyl)phosphine oxide
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.5% (by GC) |
| Melting Point | 142–146 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Conforms to reference spectrum |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=10 ppm |
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 Bis(4-methoxyphenyl)phosphine oxide
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Bis(4-methoxyphenyl)phosphine oxide
Safety Information of Bis(4-methoxyphenyl)phosphine oxide
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of Bis(4-methoxyphenyl)phosphine oxide
Industrial Bis(4-methoxyphenyl)phosphine oxide 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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