2-(Diphenylphosphino)benzoic acid Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 17261-28-8 |
| Product name | 2-(Diphenylphosphino)benzoic acid |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Industrial 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 2-(Diphenylphosphino)benzoic acid
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 2-(Diphenylphosphino)benzoic acid Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 2-(Diphenylphosphino)benzoic acid
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Manufacturing | Serves as a chiral ligand in the synthesis of chiral pharmaceuticals, particularly for constructing biologically active transition metal complexes. | Used as a chiral ligand in homogeneous catalytic reactions. |
| Chemical Catalysts | Functions as a phosphine ligand in organic synthesis, enabling transition metal-catalyzed coupling reactions (e.g., Suzuki-Miyaura coupling, Heck reaction) with palladium, rhodium, and other metals. | Preparation and activation of catalyst ligands. |
| Fine Chemicals | Employed in the synthesis of structurally defined organic intermediates or functional molecules. | Ligand-assisted metal complexation process. |
Manufacturing Quality Control of 2-(Diphenylphosphino)benzoic acid
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantifies main component using reversed-phase chromatography with UV detection at 254 nm based on peak area comparison against reference standard. |
| Related Substances | HPLC-UV | Identifies and quantifies impurities by retention time matching and peak area integration relative to main peak. |
| Residual Solvents | GC-FID | Separates and quantifies volatile organic solvents using capillary column gas chromatography with flame ionization detection. |
| Moisture Content | Karl Fischer Titration | Determines water content via coulometric or volumetric titration with iodine-based reagent reacting stoichiometrically with water. |
| Heavy Metals | ICP-OES | Measures trace metal contaminants (e.g., Pb, Cd, Hg, As) after acid digestion using inductively coupled plasma optical emission spectrometry. |
| Chloride Content | Ion Chromatography | Quantifies chloride ions using anion-exchange chromatography with suppressed conductivity detection. |
| Sulfated Ash | Gravimetric Analysis | Determines inorganic residue after high-temperature incineration followed by precise weighing of the ash. |
| Melting Point | Capillary Melting Point Apparatus | Measures temperature range at which solid transitions to liquid using calibrated capillary tube method per USP <741>. |
| Optical Rotation | Polarimetry | Detects chiral impurities or enantiomeric excess by measuring rotation of plane-polarized light in solution. |
| pH of Aqueous Suspension | pH Meter | Determines acidity/basicity of a standardized suspension in water using calibrated glass electrode pH meter. |
| Particle Size Distribution | Laser Diffraction | Analyzes dry or wet dispersed sample to determine size distribution based on angular scattering intensity of laser light. |
| Residue on Ignition | Gravimetric Analysis | Measures non-volatile inorganic residue after ignition at specified temperature (e.g., 600 C) and controlled cooling/weighing. |
Technical Specifications of 2-(Diphenylphosphino)benzoic acid
| Test Item | Specification |
|---|---|
| Appearance | White solid |
| Purity | >=98.0% (LC-MS) |
| Melting Point | 172–176 °C |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Water Content (KF) | <=0.5% |
| Heavy Metals | <=10 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 2-(Diphenylphosphino)benzoic acid
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 2-(Diphenylphosphino)benzoic acid
Safety Information of 2-(Diphenylphosphino)benzoic acid
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 2-(Diphenylphosphino)benzoic acid
Industrial 2-(Diphenylphosphino)benzoic 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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