4,4'-BIS(3-AMINOPHENOXY)DIPHENYL SULFONE Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 30203-11-3 |
| Product name | 4,4'-BIS(3-AMINOPHENOXY)DIPHENYL SULFONE |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material 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'-BIS(3-AMINOPHENOXY)DIPHENYL SULFONE
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4,4'-BIS(3-AMINOPHENOXY)DIPHENYL 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'-BIS(3-AMINOPHENOXY)DIPHENYL SULFONE
| Industry | Application | Process |
|---|---|---|
| Polymers | High-temperature-resistant epoxy resin curing agent | Acts as a crosslinker in epoxy resin curing reactions to enhance thermal stability and mechanical properties |
| Composites | Matrix resin modification for advanced composites | Used in the production of high-performance polymer matrix composites to improve heat resistance and dielectric properties |
| Aerospace | Structural and insulating material fabrication | Applied in manufacturing high-temperature-resistant, high-strength aerospace components such as radomes and structural parts |
| Electronics & Electrical | Encapsulants and insulating varnishes | Employed as a component in encapsulant resins or insulating coatings for electronic components to deliver superior dielectric performance and thermal stability |
| Specialty Fibers | Monomer for polyamide and polyimide synthesis | Participates in condensation polymerization to produce high-temperature-resistant aromatic polyamide or polyimide fibers |
Manufacturing Quality Control of 4,4'-BIS(3-AMINOPHENOXY)DIPHENYL SULFONE
| Detection Item | Common Analytical Method | Method Overview |
|---|---|---|
| Assay (Purity) | HPLC-UV | Quantitative determination using reverse-phase HPLC with UV detection at 254 nm, calibrated against certified reference standard. |
| Moisture Content | Karl Fischer Titration | Electrochemical titration based on the reaction of iodine with water in a methanol-based solvent system. |
| Residue on Ignition | Gravimetric Analysis | Measurement of non-volatile inorganic residue after controlled high-temperature ashing at 700-800 C. |
| Heavy Metals (as Pb) | ICP-OES | Multi-element quantification of trace metals following acid digestion and plasma excitation with optical emission detection. |
| Chloride Content | Potentiometric Titration | Titration with silver nitrate using a silver/silver chloride electrode to detect endpoint via potential change. |
| Melting Point | Capillary Melting Point Apparatus | Determination of temperature range at which solid transitions to liquid, using calibrated capillary tube method. |
| Organic Volatile Impurities | GC-FID | Separation and quantification of residual solvents by gas chromatography with flame ionization detection. |
| Sulfone Content | FTIR Spectroscopy | Identification and semi-quantitative assessment of sulfone functional group (S=O stretch at ~1320 and 1150 cm-1) via infrared absorption. |
| Primary Amino Group Content | Acid-Base Back Titration | Reaction with excess standardized hydrochloric acid, followed by back-titration with sodium hydroxide using methyl orange indicator. |
| Particle Size Distribution | Laser Diffraction | Analysis of scattered laser light intensity to calculate volume-based particle size distribution in dispersed suspension. |
| Color (APHA) | Visual Comparison or Spectrophotometer | Measurement of yellowness index using APHA scale, either by visual matching or spectrophotometric absorbance at 430 nm. |
| Bulk Density | Graduated Cylinder Method | Mass per unit volume measured by pouring sample into a calibrated cylinder and tapping to standardize packing. |
Technical Specifications of 4,4'-BIS(3-AMINOPHENOXY)DIPHENYL SULFONE
| Test Item | Specification |
|---|---|
| Appearance | Pale-yellow solid |
| Purity | >=98.0% (HPLC) |
| Melting Point | 215–219 °C |
| Total Impurities | <=2.0% (HPLC) |
| Single Impurity | <=0.5% (HPLC) |
| Water Content (KF) | <=0.5% |
| Residue on Ignition | <=0.1% |
| Heavy Metals | <=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'-BIS(3-AMINOPHENOXY)DIPHENYL SULFONE
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4,4'-BIS(3-AMINOPHENOXY)DIPHENYL SULFONE
Safety Information of 4,4'-BIS(3-AMINOPHENOXY)DIPHENYL SULFONE
| Pictograms |  |
| Signal Word | Warning |
| Safety Data Sheet | |
Packaging of 4,4'-BIS(3-AMINOPHENOXY)DIPHENYL SULFONE
Industrial 4,4'-BIS(3-AMINOPHENOXY)DIPHENYL 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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