Phenylphosphinic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1779-48-2 |
| Product name | Phenylphosphinic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeReagent GradeIndustrial 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) |
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Documents We Provide for Phenylphosphinic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Phenylphosphinic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Phenylphosphinic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Used as a synthetic pharmaceutical intermediate for preparing antitumor, antiviral, or bone-targeting drugs | Phosphonate esterification or coupling reactions in organic synthesis |
| Materials Science | Applied as a metal surface treatment agent to enhance coating adhesion and corrosion resistance | Formation of self-assembled monolayers (SAMs) on metal surfaces (e.g., aluminum, steel) |
| Catalysis | Employed as a ligand precursor in the synthesis of transition metal catalysts | Coordination with metal salts (e.g., palladium, rhodium) to form catalytically active complexes |
| Polymer Chemistry | Utilized as a flame retardant or crosslinking agent for polymer modification | Incorporation into polymer main chains or side chains via condensation polymerization or graft copolymerization |
| Analytical Chemistry | Applied as a chelating agent or extractant for metal ion separation | Solvent extraction via formation of stable complexes with rare earth or transition metal ions |
Manufacturing Quality Control of Phenylphosphinic acid
| Test Item | Common Testing Method | Method Overview |
|---|---|---|
| Appearance | Visual Inspection | Observe the color, physical state, and presence of visible foreign matter. White or off-white crystalline powder is considered normal. |
| Identification | Fourier Transform Infrared Spectroscopy (FT-IR) | Compare the sample spectrum with a reference standard to confirm consistency of characteristic functional group absorption peaks (e.g., P=O, P–OH, aromatic C=C). |
| Nuclear Magnetic Resonance Spectroscopy (¹H-NMR, ³¹P-NMR) | Use ¹H-NMR to identify aromatic proton signals and ³¹P-NMR to confirm the chemical shift of the phosphonic acid group for structural verification. | |
| Assay | Acid-Base Titration | Exploit the acidic nature of phenylphosphonic acid, titrate with standardized NaOH solution, using phenolphthalein or potentiometric detection to determine the endpoint and calculate the active ingredient content. |
| High-Performance Liquid Chromatography (HPLC) | Use a reversed-phase C18 column with a UV detector (low wavelength, e.g., 210 nm), quantify purity via external standard or area normalization method. | |
| Related Substances (Impurities) | High-Performance Liquid Chromatography (HPLC) | Detect synthesis by-products (e.g., diphenylphosphinic acid, oxidation products) using gradient elution to separate and identify impurity peaks. |
| Moisture Content | Karl Fischer Titration | Precisely measure water content in the sample; suitable for quality control involving trace moisture. |
| Sulfated Ash / Residue on Ignition | Sulfated Ash Method | Weigh residue after high-temperature incineration of the sample to estimate inorganic impurity content. |
| Heavy Metals | Atomic Absorption Spectroscopy (AAS) or ICP-MS | Digest the sample and measure concentrations of heavy metal elements such as lead, cadmium, and mercury to ensure compliance with pharmacopoeial or industry limits. |
| Melting Point | Melting Point Determination | Determine the melting temperature range using a melting point apparatus for preliminary identification and purity assessment. |
Technical Specifications of Phenylphosphinic acid
| Test Item | Specification |
|---|---|
| Appearance | Off-white crystalline solid |
| Purity | >=98.0% (HPLC) |
| Water Content (KF) | <=0.5% |
| Melting Point | 178–182°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 Phenylphosphinic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Phenylphosphinic acid
Packaging of Phenylphosphinic acid
Industrial Phenylphosphinic acid 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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