China Factory Direct
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| CAS number | 72804-96-7 |
| Product name | O-DIPHENYLPHOSPHINYLHYDROXYLAMINE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeElectronic 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) |
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 |
|---|---|---|
| Pharmaceuticals | Intermediate in the synthesis of antitumor agents or enzyme inhibitors | Used in organic synthesis and catalytic reactions |
| Agrochemicals | Preparation of organophosphorus compounds with insecticidal or fungicidal activity | Applied in condensation and phosphonylation reactions |
| Materials Science | Modification of polymeric materials (e.g., flame retardants, light stabilizers) | Employed in polymerization and surface treatment processes |
| Electronics Industry | Co-component in the synthesis of semiconductor or liquid crystal materials | Utilized in vapor deposition and solvothermal methods |
| Research Reagents | Phosphonylation reagent or ligand in organometallic chemistry research | Applied in coordination reactions and catalytic system construction |
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 210-230 nm, calibrated against certified reference standard. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration based on the reaction of water with iodine and sulfur dioxide in pyridine/methanol medium. |
| Residual Solvents | GC-FID | Separation and quantification of volatile organic solvents (e.g., THF, toluene) using capillary GC with flame ionization detection. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element detection after acid digestion; quantifies metals via atomic emission intensity at characteristic wavelengths. |
| Chloride Impurity | Ion Chromatography | Separation of chloride anions on anion-exchange column with suppressed conductivity detection. |
| Related Substances | HPLC-DAD | Identification and quantification of structurally related impurities using diode array detection for spectral confirmation. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, measured by controlled heating of capillary-packed sample. |
| pH of Aqueous Solution | pH Meter | Measurement of hydrogen ion activity in a 1% w/v aqueous suspension using calibrated glass electrode. |
| Loss on Drying | Gravimetric (Thermogravimetric) | Mass loss measured after drying under specified temperature and vacuum conditions; reflects volatile content. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity against established reference standards under controlled lighting. |
| Residue on Ignition | Sulfated Ash Test | Mass of non-volatile inorganic residue remaining after high-temperature incineration in presence of sulfuric acid. |
| Specific Optical Rotation | Polarimetry | Measurement of rotation angle of plane-polarized light induced by chiral centers in solution at specified concentration and wavelength. |
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 128-132°C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Identification (NMR) | Consistent with structure |
| Identification (IR) | Consistent with structure |
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| 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.