4,4'-Oxybis(benzoyl Chloride) Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 7158-32-9 |
| Product name | 4,4'-Oxybis(benzoyl Chloride) |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Agricultural GradeMaterial GradeSpecialty 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 4,4'-Oxybis(benzoyl Chloride)
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-Oxybis(benzoyl Chloride) Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-Oxybis(benzoyl Chloride)
| Industry | Application | Process |
|---|---|---|
| Pharmaceutical Intermediates | Used in the synthesis of active pharmaceutical ingredients (APIs), including antitumor agents, antimicrobial agents, and protein kinase inhibitors | Serves as a key aryl chloroformate structural unit in amine acylation reactions to construct amide bonds |
| Agrochemical Intermediates | Used in the preparation of novel insecticidal and fungicidal molecules | Introduces the chloroformyloxyphenyl ether structure via nucleophilic substitution or condensation reactions with nitrogen-containing heterocyclic compounds |
| Materials Science | Serves as a synthetic precursor for liquid crystal monomers and functional materials for organic light-emitting diodes (OLEDs) | Constructs rigid biphenyl ether frameworks through coupling reactions (e.g., Suzuki or Ullmann coupling), followed by further functional group transformations |
Manufacturing Quality Control of 4,4'-Oxybis(benzoyl Chloride)
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reversed-phase HPLC with UV detection at 254 nm, based on peak area comparison against a certified reference standard. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; individual impurities identified by retention time matching and reported as area percent. |
| Residual Solvents | GC-FID | Headspace gas chromatography with flame ionization detection to quantify common organic solvents (e.g., dichloromethane, toluene) based on calibrated external standards. |
| Moisture Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine water content via stoichiometric reaction with water. |
| Chloride Ion Impurity | Ion Chromatography (IC) | Separation of chloride anions on an anion-exchange column with conductivity detection, quantified against chloride standard solutions. |
| Heavy Metals | ICP-OES | Multi-element detection after acid digestion; total heavy metals (e.g., Pb, Cd, Hg, As) measured by atomic emission intensity at characteristic wavelengths. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition observed visually or automatically as the temperature range at which solid transforms to liquid under controlled heating rate. |
| Appearance | Visual Inspection | Assessment of physical state, color, and clarity of sample against established reference standards under controlled lighting conditions. |
| Acid Value | Acid-Base Titration | Neutralization of acidic impurities (e.g., residual carboxylic acids) with standardized NaOH solution using phenolphthalein indicator. |
| Loss on Drying | Gravimetric Analysis | Weight loss measured after drying sample at specified temperature (e.g., 105 C) for fixed duration under controlled atmospheric conditions. |
| Residue on Ignition | Sulfated Ash Test | Mass of non-volatile inorganic residue remaining after high-temperature incineration (700-800 C) following sulfuric acid treatment. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity as function of angle to determine volume-based particle size distribution in dry or wet dispersion mode. |
Technical Specifications of 4,4'-Oxybis(benzoyl Chloride)
| Test Item | Specification |
|---|---|
| Appearance | White powder |
| Purity | ≥99.0% |
| Water | ≤1.0% |
| Heavy metal as Pb | ≤10 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 4,4'-Oxybis(benzoyl Chloride)
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-Oxybis(benzoyl Chloride)
Packaging of 4,4'-Oxybis(benzoyl Chloride)
Industrial 4,4'-Oxybis(benzoyl Chloride) 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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