Phenylphosphonic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 1571-33-1 |
| Product name | Phenylphosphonic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material GradeSpecialty GradeIndustrial 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) |
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Documents We Provide for Phenylphosphonic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Phenylphosphonic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Phenylphosphonic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Chemicals | Organic synthesis intermediate | Used in the synthesis of phosphonate compounds for antitumor and antiviral drugs |
| Materials Science | Ligand or functionalization reagent | Employed as a building block for metal–organic frameworks (MOFs) or coordination polymers |
| Chemical Research | Chelating agent and catalyst ligand | Applied as a stabilizing ligand or cocatalyst in transition metal-catalyzed coupling reactions |
| Surface Treatment | Metal surface modifier | Forms stable bonds with metal oxide surfaces via phosphonic acid groups, enabling corrosion protection or interfacial modification |
Manufacturing Quality Control of Phenylphosphonic acid
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Content Assay | High-Performance Liquid Chromatography (HPLC) | Utilizes a reversed-phase C18 column with a mobile phase of water-methanol or buffer system, detected by a UV detector (e.g., 210 nm), and quantified using the external standard method. This method offers high sensitivity and excellent reproducibility for determining phenylphosphonic acid content. |
| Purity Analysis | Nuclear Magnetic Resonance Spectroscopy (¹H-NMR, ³¹P-NMR) | ¹H-NMR analyzes aromatic proton signals, while ³¹P-NMR confirms the presence and chemical environment of the phosphonic acid group. This technique is essential for structural confirmation and impurity identification in high-purity analysis. |
| Water Content | Karl Fischer Titration | Based on the reaction of iodine and sulfur dioxide with water in an anhydrous environment, this method precisely measures water content in samples, particularly suitable for organic phosphonic acids with hygroscopic functional groups. |
| Heavy Metal Residue | Atomic Absorption Spectroscopy (AAS) or Inductively Coupled Plasma Mass Spectrometry (ICP-MS) | After sample digestion, residual levels of heavy metals such as lead, cadmium, mercury, and arsenic are measured to ensure compliance with pharmaceutical or industrial safety standards. |
| Related Substances / Impurity Analysis | High-Performance Liquid Chromatography (HPLC) | Similar to content assay, but employs gradient elution to separate the main peak of phenylphosphonic acid from potential synthetic intermediates, degradation products, and other impurities, thereby evaluating sample purity. |
| Melting Point | Melting Point Determination (Capillary Method or Automated Melting Point Apparatus) | Measures the melting temperature range of phenylphosphonic acid to preliminarily assess its purity and crystalline form consistency. Pure compounds typically exhibit a sharp and well-defined melting point. |
| Phosphorus Content Determination | Ultraviolet-Visible Spectrophotometry (Phosphomolybdenum Blue Method) | After sample digestion, phosphate ions react with ammonium molybdate to form phosphomolybdic acid, which is then reduced to phosphomolybdenum blue and measured by spectrophotometry at approximately 700 nm to indirectly determine total phosphorus content. |
| Residual Solvents | Gas Chromatography (GC) | According to ICH guidelines, volatile organic solvents used during production (e.g., methanol, ethanol, dichloromethane) are detected and quantified using a Flame Ionization Detector (FID). |
Technical Specifications of Phenylphosphonic acid
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Water Content (KF) | <=0.5% |
| Melting Point | 192-196°C |
| Total Impurities | <=1.5% |
| 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 Phenylphosphonic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Phenylphosphonic acid
Packaging of Phenylphosphonic acid
Industrial Phenylphosphonic 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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