4-Hydroxy-4'-isopropoxydiphenylsulfone Bulk Supply for Industrial Use
China Factory Direct
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| CAS number | 95235-30-6 |
| Product name | 4-Hydroxy-4'-isopropoxydiphenylsulfone |
| Stock | Stock readily available; annual supply capacity exceeding 1,000 tons. |
| Grade | Material 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-Hydroxy-4'-isopropoxydiphenylsulfone
Post-sale: Full documentation is provided.
To request documents, please contact us via email at sales@GRchemical.com.
Bulk 4-Hydroxy-4'-isopropoxydiphenylsulfone Supplier from China
17+ years in chemical exports.Fully compliant, reliable supply.Your B2B partner in bulk chemical procurement.
Industrial Applications of 4-Hydroxy-4'-isopropoxydiphenylsulfone
| Industry | Application | Process |
|---|---|---|
| Pharmaceuticals | Intermediate for synthesizing anti-inflammatory or antioxidant drugs | Used as an organic synthesis intermediate in coupling or substitution reactions to prepare target compounds |
| Fine Chemicals | Raw material for liquid crystal monomer synthesis | Applied in the preparation of high-performance liquid crystal materials, with functional groups introduced via etherification and condensation processes |
| Polymer Materials | Modifier additive for polysulfone resins | Incorporated during polymerization to enhance the resin’s thermal stability and optical properties |
Manufacturing Quality Control of 4-Hydroxy-4'-isopropoxydiphenylsulfone
| 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. |
| Related Substances | HPLC-UV | Separation and quantification of impurities using gradient HPLC-UV; identification based on retention time matching and peak area normalization. |
| Residual Solvents | GC-FID | Headspace GC with flame ionization detection to quantify common solvents (e.g., acetone, methanol, toluene) per ICH Q3C guidelines. |
| Water Content | Karl Fischer Titration | Volumetric or coulometric titration using iodine-based reagent to determine trace water by electrochemical endpoint detection. |
| Heavy Metals | ICP-OES | Multi-element quantification of Pb, Cd, Hg, As, and others after acid digestion, based on atomic emission intensity at characteristic wavelengths. |
| Chloride Content | Ion Chromatography | Separation and quantification of chloride ions using anion-exchange column and suppressed conductivity detection. |
| Sulfate Content | Ion Chromatography | Separation and quantification of sulfate ions using anion-exchange column and suppressed conductivity detection. |
| Melting Point | Capillary Melting Point Apparatus | Thermal transition measurement by observing solid-to-liquid phase change in a capillary tube under controlled heating rate. |
| Appearance | Visual Inspection | Assessment of physical state, color, and presence of visible particles or discoloration against white/black background under controlled lighting. |
| Loss on Drying | Gravimetric Analysis | Mass loss measured after drying sample at 105 C for 2 hours under vacuum or forced-air oven, expressed as weight percent. |
| pH of Aqueous Suspension | pH Meter | Measurement of pH in a 1% w/v suspension in purified water using calibrated pH electrode. |
| Particle Size Distribution | Laser Diffraction | Determination of size distribution by analyzing angular scattering pattern of laser beam passing through dispersed sample in liquid medium. |
Technical Specifications of 4-Hydroxy-4'-isopropoxydiphenylsulfone
| Test Item | Specification |
|---|---|
| Appearance | White crystalline solid |
| Purity | >=99.0% (LC-MS) |
| Melting Point | 148–152°C |
| Water Content (KF) | <=0.5% |
| Total Impurities | <=1.0% |
| Single Impurity | <=0.3% |
| Heavy Metals | <=10 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-Hydroxy-4'-isopropoxydiphenylsulfone
| CAS/Product ID | *Required fields | |
| Lot/Batch Number | *Required fields | |
NMR Spectra of 4-Hydroxy-4'-isopropoxydiphenylsulfone
Packaging of 4-Hydroxy-4'-isopropoxydiphenylsulfone
Industrial 4-Hydroxy-4'-isopropoxydiphenylsulfone 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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