4-Biphenylol diphenyl phosphate Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 17269-99-7 |
| Product name | 4-Biphenylol diphenyl phosphate |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty 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 4-Biphenylol diphenyl phosphate
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Biphenylol diphenyl phosphate Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Biphenylol diphenyl phosphate
| Industry | Application | Process |
|---|---|---|
| Chemical | Organophosphorus compound used in the synthesis of other organophosphorus compounds | Prepared via reaction of diphenyl phosphate with biphenyloxy chloride |
| Flame Retardants | Intermediate for flame retardant production | Added to polymers to enhance flame retardancy |
| Pesticides | Used in the synthesis of certain pesticide active ingredients | Intermediate in the synthesis of organophosphorus pesticides |
| Coatings | Coating additive to improve thermal resistance and stability | Functionally incorporated into coating formulations |
| Polymers | Used to modify polymers, enhancing thermal stability and mechanical properties | Applied as a crosslinking agent or additive during polymerization |
Manufacturing Quality Control of 4-Biphenylol diphenyl phosphate
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, comparing peak area against a certified reference standard. |
| Appearance | Visual Inspection | Assessment of physical state and color under controlled lighting against a white background; clear, colorless to pale yellow liquid expected. |
| Color (APHA) | APHA Color Scale | Comparison of sample color to platinum-cobalt standard solutions using a spectrophotometer or visual comparator. |
| Acid Value | Acid-Base Titration | Neutralization of free acidic impurities with standardized potassium hydroxide solution using phenolphthalein indicator. |
| Water Content | Karl Fischer Titration | Electrochemical titration measuring water via iodine-sulfur dioxide reaction in anhydrous methanol-based reagent. |
| Residue on Ignition | Gravimetric Analysis | Heating sample to 700-800 C in a platinum crucible, then weighing inorganic residue after cooling in desiccator. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, Cr by plasma excitation and emission spectroscopy after acid digestion. |
| Chlorinated Impurities | GC-ECD | Detection and quantification of chlorinated organics using gas chromatography with electron capture detection. |
| Phosphate Ester Isomers | GC-FID | Separation and quantification of structural isomers using capillary GC with flame ionization detection. |
| Refractive Index | Refractometry | Measurement of light bending angle at 20 C using calibrated Abbe refractometer relative to sodium D-line. |
| Density | Pycnometry | Determination of mass per unit volume at 25 C using calibrated glass pycnometer. |
| Flash Point | Cleveland Open Cup | Measurement of lowest temperature at which vapors ignite when exposed to flame under standardized open-cup conditions. |
Technical Specifications of 4-Biphenylol diphenyl phosphate
| Test Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Purity | >=98.5% |
| Total Impurities | <=1.5% |
| Single Impurity | <=0.5% |
| Melting Point | 124–128°C |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=20 ppm |
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 4-Biphenylol diphenyl phosphate
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
Packaging of 4-Biphenylol diphenyl phosphate
Industrial 4-Biphenylol diphenyl phosphate 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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