Dibenzyl phosphite Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 17176-77-1 |
| Product name | Dibenzyl phosphite |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty GradeIndustrial Grade |
| Packaging | 25L/drum200L/drum1000L/IBC |
| 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 Dibenzyl phosphite
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk Dibenzyl phosphite Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of Dibenzyl phosphite
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Organic synthesis intermediate for antiviral agents, anticancer compounds, and other active pharmaceutical ingredients | Participates in palladium-catalyzed cross-coupling reactions (e.g., Suzuki-Miyaura coupling) to construct C–P or C–C bonds |
| Agrochemicals | Agrochemical intermediate for synthesizing phosphorus-containing organic insecticides or herbicides | Introduces the benzyl phosphate structural motif via nucleophilic substitution or transesterification |
| Materials Science | Precursor for flame retardants or ligand in functional material synthesis | Coordinates with metal salts to form metal–organic frameworks (MOFs), or serves as a polymer additive to enhance thermal stability |
| Organic Synthesis | Reducing agent or precursor to phosphine ligands | Participates in Staudinger reductions, Appel reactions, or is converted to corresponding phosphine oxides/phosphonates |
Manufacturing Quality Control of Dibenzyl phosphite
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | Gas Chromatography (GC) with FID detection | Quantitative determination based on peak area comparison against a certified reference standard using a non-polar capillary column. |
| Acid Value | Acid-Base Titration with NaOH | Neutralization of acidic impurities by standardized sodium hydroxide solution using phenolphthalein indicator. |
| Water Content | Karl Fischer Coulometric Titration | Electrochemical quantification of water via iodine generation and stoichiometric reaction with water in anhydrous methanol medium. |
| Color (APHA) | Visual Comparison or Spectrophotometric Measurement at 430 nm | Comparison of sample color intensity against platinum-cobalt standards or absorbance measurement at specified wavelength. |
| Density at 20 degC | Digital Density Meter (Oscillating U-tube) | Measurement of sample density based on resonant frequency shift of a vibrating U-shaped tube filled with the sample. |
| Refractive Index at 20 degC | Abbe Refractometer | Determination of refractive index by measuring the critical angle of total internal reflection at the prism-sample interface. |
| Chloride Impurity | Ion Chromatography (IC) with Conductivity Detection | Separation and quantification of chloride ions using anion-exchange column and suppressed conductivity detection. |
| Heavy Metals (as Pb) | Atomic Absorption Spectroscopy (AAS) after wet digestion | Quantification of total heavy metals following acid digestion, using air-acetylene flame AAS at characteristic wavelength for lead. |
| Residue on Ignition | Gravimetric Analysis (Weight Loss on Ignition) | Determination of non-volatile inorganic residue after controlled high-temperature ashing and cooling to constant weight. |
| Distillation Range | Capillary Column Distillation Apparatus (ASTM D1078) | Measurement of initial boiling point, final boiling point, and temperature range over which 90% of sample distills under controlled heating rate. |
| Appearance | Visual Inspection in Clear Glass Container | Assessment of physical state and clarity by observation against white background under natural or fluorescent lighting. |
| Benzyl Alcohol Impurity | Gas Chromatography (GC) with FID detection | Identification and quantification of residual benzyl alcohol using retention time matching and external calibration curve. |
Technical Specifications of Dibenzyl phosphite
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow liquid |
| Purity | >=98.0% (GC) |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| Single Impurity | <=0.5% |
| Refractive Index (n20/D) | 1.565–1.575 |
| Relative Density (20°C/25°C) | 1.14–1.16 g/cm³ |
| Odor | Characteristic ester-like odor |
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 Dibenzyl phosphite
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of Dibenzyl phosphite
Packaging of Dibenzyl phosphite
Industrial Dibenzyl phosphite 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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