4,4'-Dichlorodiphenyl sulfone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 80-07-9 |
| Product name | 4,4'-Dichlorodiphenyl sulfone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Pharmaceutical GradeMaterial GradeSpecialty GradeElectronic 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'-Dichlorodiphenyl sulfone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-Dichlorodiphenyl sulfone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4,4'-Dichlorodiphenyl sulfone
| Industry | Application | Process |
|---|---|---|
| Chemicals | Intermediate for synthesizing high-performance engineering plastics | Used in the preparation of polysulfone resins via chlorination and condensation reactions |
| Polymers | Production of polysulfone (PSU) and polyethersulfone (PES) resins | Co-polymerized with bisphenol monomers via melt or solution condensation polymerization |
| Electronic Materials | Manufacture of high-heat-resistant, high-dielectric electronic device encapsulation materials | Processed by injection molding or compression molding at elevated temperatures |
| Automotive Industry | Production of automotive components with high heat and corrosion resistance | Injection molded into under-the-hood engine components |
| Medical Devices | Manufacture of medical device components compatible with high-temperature sterilization | Processed by injection molding; exhibits good biocompatibility |
| Petrochemicals | Solvent or reaction medium in specific catalytic processes | Participates in organic synthesis reactions in the presence of specific catalysts |
Manufacturing Quality Control of 4,4'-Dichlorodiphenyl sulfone
| Test Item | Common Testing Methods | Method Overview |
|---|---|---|
| Purity Analysis | High-Performance Liquid Chromatography (HPLC) | Utilizes a reversed-phase chromatography column with mobile phases such as methanol/water or acetonitrile/water, quantifying the main component purity using a UV detector (e.g., at 254 nm), while simultaneously detecting related substances. |
| Impurity Content | HPLC or GC-MS | HPLC is used for separation and quantification of organic impurities; GC-MS is suitable for qualitative and semi-quantitative analysis of volatile impurities, with identification of unknown impurities achieved via mass spectral library matching. |
| Water Content Determination | Karl Fischer Titration | Determines trace water content in samples using either coulometric or volumetric methods to ensure the product's dryness meets process or storage requirements. |
| Melting Point Determination | Capillary Melting Point Apparatus or Digital Melting Point Instrument | Measures the temperature range at which the substance transitions from solid to liquid, assessing crystalline purity and physical state consistency; standard melting point is approximately 148–151°C. |
| Appearance and Color | Visual Inspection / Colorimeter | Observes whether the sample is a white or off-white crystalline powder; optionally, a colorimeter is used to quantify L*a*b* values to ensure color consistency across production batches. |
| Residual Solvents | Gas Chromatography (GC-FID or GC-MS) | According to ICH Q3C guidelines, residual organic solvents (e.g., toluene, DMF) potentially present during synthesis or purification are detected via headspace or direct injection. |
| Heavy Metal Content | Atomic Absorption Spectroscopy (AAS) or ICP-MS | After acid digestion of the sample, total levels of heavy metals such as lead, cadmium, mercury, and arsenic are measured to ensure compliance with pharmacopoeial or industrial safety limits. |
| Ash or Residue on Ignition | Gravimetric Method | Sample is incinerated at high temperature (e.g., 700–800°C), and the mass of residual inorganic material is weighed to evaluate levels of inorganic impurities or catalyst residues. |
| Crystal Morphology / Particle Size Distribution | Microscopic Observation / Laser Diffraction Particle Size Analyzer | Microscopy is used to examine crystal morphology; laser diffraction measures particle size distribution, which affects downstream processing performance (e.g., dissolution rate, flowability). |
| Thermal Stability | Thermogravimetric Analysis (TGA) / Differential Scanning Calorimetry (DSC) | TGA monitors mass changes with temperature to assess decomposition temperature; DSC measures melting enthalpy and phase behavior, aiding in the evaluation of purity and crystal structure. |
Technical Specifications of 4,4'-Dichlorodiphenyl sulfone
| Test Item | Specification |
|---|---|
| Appearance | White to almost white crystalline powder |
| Purity | >=98.0% (GC-MS) |
| Melting Point | 147.0 - 151.0 °C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=2.0% |
| 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 4,4'-Dichlorodiphenyl sulfone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-Dichlorodiphenyl sulfone
Safety Information of 4,4'-Dichlorodiphenyl sulfone
| Pictograms |   |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4,4'-Dichlorodiphenyl sulfone
Industrial 4,4'-Dichlorodiphenyl sulfone 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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